[Debian-astro-maintainers] Bug#967000: yt: FTBFS: dh_auto_test: error: pybuild --test --test-pytest -i python{version} -p 3.8 returned exit code 13

[Lucas Nussbaum]

Source: yt
Version: 3.6.0-3
Severity: serious
Justification: FTBFS on amd64
Tags: bullseye sid ftbfs
Usertags: ftbfs-20200802 ftbfs-bullseye

Hi,

During a rebuild of all packages in sid, your package failed to build
on amd64.

Relevant part (hopefully):
>  debian/rules build
> dh build --with python3 --buildsystem=pybuild
>    dh_update_autotools_config -O--buildsystem=pybuild
>    dh_autoreconf -O--buildsystem=pybuild
>    dh_auto_configure -O--buildsystem=pybuild
> I: pybuild base:217: python3.8 setup.py config 
> Using OpenMP to compile parallel extensions
> running config
>    dh_auto_build -O--buildsystem=pybuild
> I: pybuild base:217: /usr/bin/python3 setup.py build 
> Using OpenMP to compile parallel extensions
> running build
> running build_py
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt
> copying yt/exthook.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt
> copying yt/arraytypes.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt
> copying yt/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt
> copying yt/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt
> copying yt/funcs.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt
> copying yt/pmods.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt
> copying yt/convenience.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt
> copying yt/config.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt
> copying yt/startup_tasks.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt
> copying yt/mods.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt
> copying yt/testing.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules
> copying yt/analysis_modules/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules
> copying yt/analysis_modules/list_modules.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/extensions
> copying yt/extensions/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/extensions
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects
> copying yt/data_objects/unstructured_mesh.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects
> copying yt/data_objects/octree_subset.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects
> copying yt/data_objects/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects
> copying yt/data_objects/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects
> copying yt/data_objects/particle_unions.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects
> copying yt/data_objects/particle_filters.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects
> copying yt/data_objects/static_output.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects
> copying yt/data_objects/particle_trajectories.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects
> copying yt/data_objects/region_expression.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects
> copying yt/data_objects/field_data.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects
> copying yt/data_objects/analyzer_objects.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects
> copying yt/data_objects/data_containers.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects
> copying yt/data_objects/profiles.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects
> copying yt/data_objects/grid_patch.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects
> copying yt/data_objects/selection_data_containers.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects
> copying yt/data_objects/unions.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects
> copying yt/data_objects/time_series.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects
> copying yt/data_objects/derived_quantities.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects
> copying yt/data_objects/construction_data_containers.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects
> copying yt/data_objects/image_array.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/extern
> copying yt/extern/parameterized.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/extern
> copying yt/extern/six.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/extern
> copying yt/extern/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/extern
> copying yt/extern/peewee.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/extern
> copying yt/extern/pydot.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/extern
> copying yt/extern/_dummy_thread32.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/extern
> copying yt/extern/pykdtree.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/extern
> copying yt/extern/reprlib32.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/extern
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/tests
> copying yt/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/tests
> copying yt/tests/test_testing.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/tests
> copying yt/tests/test_funcs.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields
> copying yt/fields/magnetic_field.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields
> copying yt/fields/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields
> copying yt/fields/vector_operations.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields
> copying yt/fields/cosmology_fields.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields
> copying yt/fields/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields
> copying yt/fields/field_plugin_registry.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields
> copying yt/fields/species_fields.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields
> copying yt/fields/derived_field.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields
> copying yt/fields/domain_context.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields
> copying yt/fields/local_fields.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields
> copying yt/fields/field_exceptions.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields
> copying yt/fields/particle_fields.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields
> copying yt/fields/fluid_fields.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields
> copying yt/fields/angular_momentum.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields
> copying yt/fields/fluid_vector_fields.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields
> copying yt/fields/xray_emission_fields.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields
> copying yt/fields/field_type_container.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields
> copying yt/fields/field_aliases.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields
> copying yt/fields/astro_fields.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields
> copying yt/fields/my_plugin_fields.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields
> copying yt/fields/geometric_fields.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields
> copying yt/fields/astro_simulations.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields
> copying yt/fields/interpolated_fields.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields
> copying yt/fields/field_detector.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields
> copying yt/fields/field_functions.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields
> copying yt/fields/field_info_container.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization
> copying yt/visualization/_mpl_imports.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization
> copying yt/visualization/fixed_resolution_filters.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization
> copying yt/visualization/fits_image.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization
> copying yt/visualization/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization
> copying yt/visualization/geo_plot_utils.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization
> copying yt/visualization/color_maps.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization
> copying yt/visualization/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization
> copying yt/visualization/base_plot_types.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization
> copying yt/visualization/fixed_resolution.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization
> copying yt/visualization/profile_plotter.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization
> copying yt/visualization/eps_writer.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization
> copying yt/visualization/plot_modifications.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization
> copying yt/visualization/_colormap_data.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization
> copying yt/visualization/image_writer.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization
> copying yt/visualization/line_plot.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization
> copying yt/visualization/particle_plots.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization
> copying yt/visualization/plot_window.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization
> copying yt/visualization/streamlines.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization
> copying yt/visualization/plot_container.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry
> copying yt/geometry/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry
> copying yt/geometry/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry
> copying yt/geometry/geometry_handler.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry
> copying yt/geometry/object_finding_mixin.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry
> copying yt/geometry/oct_geometry_handler.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry
> copying yt/geometry/particle_geometry_handler.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry
> copying yt/geometry/unstructured_mesh_handler.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry
> copying yt/geometry/grid_geometry_handler.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities
> copying yt/utilities/fortran_utils.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities
> copying yt/utilities/particle_generator.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities
> copying yt/utilities/chemical_formulas.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities
> copying yt/utilities/png_writer.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities
> copying yt/utilities/flagging_methods.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities
> copying yt/utilities/fits_image.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities
> copying yt/utilities/linear_interpolators.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities
> copying yt/utilities/minimal_representation.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities
> copying yt/utilities/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities
> copying yt/utilities/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities
> copying yt/utilities/configure.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities
> copying yt/utilities/on_demand_imports.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities
> copying yt/utilities/tree_container.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities
> copying yt/utilities/logger.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities
> copying yt/utilities/command_line.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities
> copying yt/utilities/orientation.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities
> copying yt/utilities/periodic_table.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities
> copying yt/utilities/lru_cache.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities
> copying yt/utilities/sdf.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities
> copying yt/utilities/metadata.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities
> copying yt/utilities/mesh_code_generation.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities
> copying yt/utilities/definitions.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities
> copying yt/utilities/operator_registry.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities
> copying yt/utilities/file_handler.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities
> copying yt/utilities/nodal_data_utils.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities
> copying yt/utilities/exceptions.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities
> copying yt/utilities/decompose.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities
> copying yt/utilities/cosmology.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities
> copying yt/utilities/performance_counters.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities
> copying yt/utilities/physical_ratios.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities
> copying yt/utilities/hierarchy_inspection.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities
> copying yt/utilities/parameter_file_storage.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities
> copying yt/utilities/initial_conditions.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities
> copying yt/utilities/lodgeit.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities
> copying yt/utilities/rpdb.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities
> copying yt/utilities/physical_constants.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities
> copying yt/utilities/math_utils.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities
> copying yt/utilities/io_handler.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends
> copying yt/frontends/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends
> copying yt/frontends/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/units
> copying yt/units/equivalencies.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/units
> copying yt/units/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/units
> copying yt/units/yt_array.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/units
> copying yt/units/dimensions.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/units
> copying yt/units/unit_registry.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/units
> copying yt/units/unit_lookup_table.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/units
> copying yt/units/pint_conversions.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/units
> copying yt/units/unit_symbols.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/units
> copying yt/units/unit_object.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/units
> copying yt/units/unit_systems.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/units
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/cosmological_observation
> copying yt/analysis_modules/cosmological_observation/cosmology_splice.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/cosmological_observation
> copying yt/analysis_modules/cosmological_observation/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/cosmological_observation
> copying yt/analysis_modules/cosmological_observation/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/cosmological_observation
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/two_point_functions
> copying yt/analysis_modules/two_point_functions/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/two_point_functions
> copying yt/analysis_modules/two_point_functions/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/two_point_functions
> copying yt/analysis_modules/two_point_functions/two_point_functions.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/two_point_functions
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/particle_trajectories
> copying yt/analysis_modules/particle_trajectories/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/particle_trajectories
> copying yt/analysis_modules/particle_trajectories/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/particle_trajectories
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_analysis
> copying yt/analysis_modules/halo_analysis/enzofof_merger_tree.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_analysis
> copying yt/analysis_modules/halo_analysis/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_analysis
> copying yt/analysis_modules/halo_analysis/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_analysis
> copying yt/analysis_modules/halo_analysis/halo_catalog.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_analysis
> copying yt/analysis_modules/halo_analysis/halo_finding_methods.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_analysis
> copying yt/analysis_modules/halo_analysis/halo_recipes.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_analysis
> copying yt/analysis_modules/halo_analysis/halo_object.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_analysis
> copying yt/analysis_modules/halo_analysis/halo_callbacks.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_analysis
> copying yt/analysis_modules/halo_analysis/halo_filters.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_analysis
> copying yt/analysis_modules/halo_analysis/halo_quantities.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_analysis
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/radmc3d_export
> copying yt/analysis_modules/radmc3d_export/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/radmc3d_export
> copying yt/analysis_modules/radmc3d_export/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/radmc3d_export
> copying yt/analysis_modules/radmc3d_export/RadMC3DImageUtilities.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/radmc3d_export
> copying yt/analysis_modules/radmc3d_export/RadMC3DInterface.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/radmc3d_export
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_finding
> copying yt/analysis_modules/halo_finding/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_finding
> copying yt/analysis_modules/halo_finding/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_finding
> copying yt/analysis_modules/halo_finding/halo_objects.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_finding
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/spectral_integrator
> copying yt/analysis_modules/spectral_integrator/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/spectral_integrator
> copying yt/analysis_modules/spectral_integrator/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/spectral_integrator
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/absorption_spectrum
> copying yt/analysis_modules/absorption_spectrum/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/absorption_spectrum
> copying yt/analysis_modules/absorption_spectrum/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/absorption_spectrum
> copying yt/analysis_modules/absorption_spectrum/absorption_spectrum_fit.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/absorption_spectrum
> copying yt/analysis_modules/absorption_spectrum/absorption_spectrum.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/absorption_spectrum
> copying yt/analysis_modules/absorption_spectrum/absorption_line.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/absorption_spectrum
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/level_sets
> copying yt/analysis_modules/level_sets/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/level_sets
> copying yt/analysis_modules/level_sets/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/level_sets
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/ppv_cube
> copying yt/analysis_modules/ppv_cube/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/ppv_cube
> copying yt/analysis_modules/ppv_cube/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/ppv_cube
> copying yt/analysis_modules/ppv_cube/ppv_cube.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/ppv_cube
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/photon_simulator
> copying yt/analysis_modules/photon_simulator/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/photon_simulator
> copying yt/analysis_modules/photon_simulator/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/photon_simulator
> copying yt/analysis_modules/photon_simulator/photon_models.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/photon_simulator
> copying yt/analysis_modules/photon_simulator/photon_simulator.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/photon_simulator
> copying yt/analysis_modules/photon_simulator/spectral_models.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/photon_simulator
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_mass_function
> copying yt/analysis_modules/halo_mass_function/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_mass_function
> copying yt/analysis_modules/halo_mass_function/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_mass_function
> copying yt/analysis_modules/halo_mass_function/halo_mass_function.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_mass_function
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/sunrise_export
> copying yt/analysis_modules/sunrise_export/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/sunrise_export
> copying yt/analysis_modules/sunrise_export/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/sunrise_export
> copying yt/analysis_modules/sunrise_export/sunrise_exporter.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/sunrise_export
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/sunyaev_zeldovich
> copying yt/analysis_modules/sunyaev_zeldovich/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/sunyaev_zeldovich
> copying yt/analysis_modules/sunyaev_zeldovich/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/sunyaev_zeldovich
> copying yt/analysis_modules/sunyaev_zeldovich/projection.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/sunyaev_zeldovich
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/star_analysis
> copying yt/analysis_modules/star_analysis/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/star_analysis
> copying yt/analysis_modules/star_analysis/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/star_analysis
> copying yt/analysis_modules/star_analysis/sfr_spectrum.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/star_analysis
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/cosmological_observation/light_cone
> copying yt/analysis_modules/cosmological_observation/light_cone/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/cosmological_observation/light_cone
> copying yt/analysis_modules/cosmological_observation/light_cone/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/cosmological_observation/light_cone
> copying yt/analysis_modules/cosmological_observation/light_cone/light_cone_projection.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/cosmological_observation/light_cone
> copying yt/analysis_modules/cosmological_observation/light_cone/light_cone.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/cosmological_observation/light_cone
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/cosmological_observation/light_ray
> copying yt/analysis_modules/cosmological_observation/light_ray/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/cosmological_observation/light_ray
> copying yt/analysis_modules/cosmological_observation/light_ray/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/cosmological_observation/light_ray
> copying yt/analysis_modules/cosmological_observation/light_ray/light_ray.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/cosmological_observation/light_ray
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/cosmological_observation/light_cone/tests
> copying yt/analysis_modules/cosmological_observation/light_cone/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/cosmological_observation/light_cone/tests
> copying yt/analysis_modules/cosmological_observation/light_cone/tests/test_light_cone.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/cosmological_observation/light_cone/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/cosmological_observation/light_ray/tests
> copying yt/analysis_modules/cosmological_observation/light_ray/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/cosmological_observation/light_ray/tests
> copying yt/analysis_modules/cosmological_observation/light_ray/tests/test_light_ray.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/cosmological_observation/light_ray/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_analysis/tests
> copying yt/analysis_modules/halo_analysis/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_analysis/tests
> copying yt/analysis_modules/halo_analysis/tests/test_halo_catalog.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_analysis/tests
> copying yt/analysis_modules/halo_analysis/tests/run_halo_finder.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_analysis/tests
> copying yt/analysis_modules/halo_analysis/tests/test_halo_finders.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_analysis/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/radmc3d_export/tests
> copying yt/analysis_modules/radmc3d_export/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/radmc3d_export/tests
> copying yt/analysis_modules/radmc3d_export/tests/test_radmc3d_exporter.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/radmc3d_export/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_finding/hop
> copying yt/analysis_modules/halo_finding/hop/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_finding/hop
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_finding/tests
> copying yt/analysis_modules/halo_finding/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_finding/tests
> copying yt/analysis_modules/halo_finding/tests/test_rockstar.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_finding/tests
> copying yt/analysis_modules/halo_finding/tests/test_halo_finders.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_finding/tests
> copying yt/analysis_modules/halo_finding/tests/run_rockstar.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_finding/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_finding/fof
> copying yt/analysis_modules/halo_finding/fof/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_finding/fof
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_finding/rockstar
> copying yt/analysis_modules/halo_finding/rockstar/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_finding/rockstar
> copying yt/analysis_modules/halo_finding/rockstar/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_finding/rockstar
> copying yt/analysis_modules/halo_finding/rockstar/rockstar.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_finding/rockstar
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/absorption_spectrum/tests
> copying yt/analysis_modules/absorption_spectrum/tests/test_absorption_spectrum.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/absorption_spectrum/tests
> copying yt/analysis_modules/absorption_spectrum/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/absorption_spectrum/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/ppv_cube/tests
> copying yt/analysis_modules/ppv_cube/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/ppv_cube/tests
> copying yt/analysis_modules/ppv_cube/tests/test_ppv.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/ppv_cube/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/photon_simulator/tests
> copying yt/analysis_modules/photon_simulator/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/photon_simulator/tests
> copying yt/analysis_modules/photon_simulator/tests/test_beta_model.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/photon_simulator/tests
> copying yt/analysis_modules/photon_simulator/tests/test_spectra.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/photon_simulator/tests
> copying yt/analysis_modules/photon_simulator/tests/test_sloshing.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/photon_simulator/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/sunyaev_zeldovich/tests
> copying yt/analysis_modules/sunyaev_zeldovich/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/sunyaev_zeldovich/tests
> copying yt/analysis_modules/sunyaev_zeldovich/tests/test_projection.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/sunyaev_zeldovich/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests
> copying yt/data_objects/tests/test_dataset_access.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests
> copying yt/data_objects/tests/test_points.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests
> copying yt/data_objects/tests/test_clone.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests
> copying yt/data_objects/tests/test_profiles.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests
> copying yt/data_objects/tests/test_connected_sets.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests
> copying yt/data_objects/tests/test_boolean_regions.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests
> copying yt/data_objects/tests/test_ortho_rays.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests
> copying yt/data_objects/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests
> copying yt/data_objects/tests/test_fluxes.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests
> copying yt/data_objects/tests/test_pickle.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests
> copying yt/data_objects/tests/test_streamlines.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests
> copying yt/data_objects/tests/test_compose.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests
> copying yt/data_objects/tests/test_data_collection.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests
> copying yt/data_objects/tests/test_ellipsoid.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests
> copying yt/data_objects/tests/test_disks.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests
> copying yt/data_objects/tests/test_covering_grid.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests
> copying yt/data_objects/tests/test_projection.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests
> copying yt/data_objects/tests/test_regions.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests
> copying yt/data_objects/tests/test_spheres.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests
> copying yt/data_objects/tests/test_data_containers.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests
> copying yt/data_objects/tests/test_numpy_ops.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests
> copying yt/data_objects/tests/test_slice.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests
> copying yt/data_objects/tests/test_rays.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests
> copying yt/data_objects/tests/test_extract_regions.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests
> copying yt/data_objects/tests/test_glue.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests
> copying yt/data_objects/tests/test_image_array.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests
> copying yt/data_objects/tests/test_chunking.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests
> copying yt/data_objects/tests/test_derived_quantities.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests
> copying yt/data_objects/tests/test_refinement.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests
> copying yt/data_objects/tests/test_particle_filter.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests
> copying yt/data_objects/tests/test_firefly.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests
> copying yt/data_objects/tests/test_exclude_functions.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests
> copying yt/data_objects/tests/test_cutting_plane.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests
> copying yt/data_objects/tests/test_particle_trajectories.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/level_sets
> copying yt/data_objects/level_sets/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/level_sets
> copying yt/data_objects/level_sets/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/level_sets
> copying yt/data_objects/level_sets/clump_handling.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/level_sets
> copying yt/data_objects/level_sets/clump_validators.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/level_sets
> copying yt/data_objects/level_sets/clump_info_items.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/level_sets
> copying yt/data_objects/level_sets/clump_tools.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/level_sets
> copying yt/data_objects/level_sets/contour_finder.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/level_sets
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/level_sets/tests
> copying yt/data_objects/level_sets/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/level_sets/tests
> copying yt/data_objects/level_sets/tests/test_clump_finding.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/level_sets/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/extern/tqdm
> copying yt/extern/tqdm/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/extern/tqdm
> copying yt/extern/tqdm/_utils.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/extern/tqdm
> copying yt/extern/tqdm/_version.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/extern/tqdm
> copying yt/extern/tqdm/_tqdm_pandas.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/extern/tqdm
> copying yt/extern/tqdm/_tqdm.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/extern/tqdm
> copying yt/extern/tqdm/_tqdm_gui.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/extern/tqdm
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields/tests
> copying yt/fields/tests/test_vector_fields.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields/tests
> copying yt/fields/tests/test_angular_momentum.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields/tests
> copying yt/fields/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields/tests
> copying yt/fields/tests/test_xray_fields.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields/tests
> copying yt/fields/tests/test_fields.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields/tests
> copying yt/fields/tests/test_fields_plugins.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields/tests
> copying yt/fields/tests/test_field_access.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields/tests
> copying yt/fields/tests/test_magnetic_fields.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields/tests
> copying yt/fields/tests/test_field_name_container.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/tests
> copying yt/visualization/tests/test_color_maps.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/tests
> copying yt/visualization/tests/test_raw_field_slices.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/tests
> copying yt/visualization/tests/test_profile_plots.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/tests
> copying yt/visualization/tests/test_export_frb.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/tests
> copying yt/visualization/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/tests
> copying yt/visualization/tests/test_splat.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/tests
> copying yt/visualization/tests/test_image_writer.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/tests
> copying yt/visualization/tests/test_line_plots.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/tests
> copying yt/visualization/tests/test_geo_projections.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/tests
> copying yt/visualization/tests/test_callbacks.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/tests
> copying yt/visualization/tests/test_filters.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/tests
> copying yt/visualization/tests/test_plotwindow.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/tests
> copying yt/visualization/tests/test_mesh_slices.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/tests
> copying yt/visualization/tests/test_fits_image.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/tests
> copying yt/visualization/tests/test_offaxisprojection.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/tests
> copying yt/visualization/tests/test_particle_plot.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/mapserver
> copying yt/visualization/mapserver/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/mapserver
> copying yt/visualization/mapserver/pannable_map.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/mapserver
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering
> copying yt/visualization/volume_rendering/create_spline.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering
> copying yt/visualization/volume_rendering/UBVRI.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering
> copying yt/visualization/volume_rendering/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering
> copying yt/visualization/volume_rendering/lens.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering
> copying yt/visualization/volume_rendering/transfer_function_helper.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering
> copying yt/visualization/volume_rendering/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering
> copying yt/visualization/volume_rendering/interactive_vr.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering
> copying yt/visualization/volume_rendering/input_events.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering
> copying yt/visualization/volume_rendering/off_axis_projection.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering
> copying yt/visualization/volume_rendering/old_camera.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering
> copying yt/visualization/volume_rendering/interactive_vr_helpers.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering
> copying yt/visualization/volume_rendering/transfer_functions.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering
> copying yt/visualization/volume_rendering/camera.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering
> copying yt/visualization/volume_rendering/volume_rendering.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering
> copying yt/visualization/volume_rendering/zbuffer_array.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering
> copying yt/visualization/volume_rendering/glfw_inputhook.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering
> copying yt/visualization/volume_rendering/shader_objects.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering
> copying yt/visualization/volume_rendering/interactive_loop.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering
> copying yt/visualization/volume_rendering/render_source.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering
> copying yt/visualization/volume_rendering/scene.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering
> copying yt/visualization/volume_rendering/camera_path.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering
> copying yt/visualization/volume_rendering/blenders.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering
> copying yt/visualization/volume_rendering/utils.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering
> copying yt/visualization/volume_rendering/image_handling.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/mapserver/html
> copying yt/visualization/mapserver/html/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/mapserver/html
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/tests
> copying yt/visualization/volume_rendering/tests/test_points.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/tests
> copying yt/visualization/volume_rendering/tests/test_zbuff.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/tests
> copying yt/visualization/volume_rendering/tests/test_mesh_render.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/tests
> copying yt/visualization/volume_rendering/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/tests
> copying yt/visualization/volume_rendering/tests/test_camera_attributes.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/tests
> copying yt/visualization/volume_rendering/tests/test_varia.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/tests
> copying yt/visualization/volume_rendering/tests/test_sigma_clip.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/tests
> copying yt/visualization/volume_rendering/tests/test_vr_orientation.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/tests
> copying yt/visualization/volume_rendering/tests/test_scene.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/tests
> copying yt/visualization/volume_rendering/tests/test_lenses.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/tests
> copying yt/visualization/volume_rendering/tests/test_simple_vr.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/tests
> copying yt/visualization/volume_rendering/tests/test_composite.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/tests
> copying yt/visualization/volume_rendering/tests/test_vr_cameras.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/shaders
> copying yt/visualization/volume_rendering/shaders/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/shaders
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry/coordinates
> copying yt/geometry/coordinates/coordinate_handler.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry/coordinates
> copying yt/geometry/coordinates/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry/coordinates
> copying yt/geometry/coordinates/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry/coordinates
> copying yt/geometry/coordinates/cylindrical_coordinates.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry/coordinates
> copying yt/geometry/coordinates/geographic_coordinates.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry/coordinates
> copying yt/geometry/coordinates/polar_coordinates.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry/coordinates
> copying yt/geometry/coordinates/cartesian_coordinates.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry/coordinates
> copying yt/geometry/coordinates/spec_cube_coordinates.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry/coordinates
> copying yt/geometry/coordinates/spherical_coordinates.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry/coordinates
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry/tests
> copying yt/geometry/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry/tests
> copying yt/geometry/tests/fake_octree.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry/tests
> copying yt/geometry/tests/test_particle_octree.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry/tests
> copying yt/geometry/tests/test_particle_deposit.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry/tests
> copying yt/geometry/tests/test_grid_container.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry/tests
> copying yt/geometry/tests/test_neighbor_search.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/tests
> copying yt/utilities/tests/test_hierarchy_inspection.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/tests
> copying yt/utilities/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/tests
> copying yt/utilities/tests/test_decompose.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/tests
> copying yt/utilities/tests/test_minimal_representation.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/tests
> copying yt/utilities/tests/test_selectors.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/tests
> copying yt/utilities/tests/test_config.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/tests
> copying yt/utilities/tests/test_particle_generator.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/tests
> copying yt/utilities/tests/test_cosmology.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/tests
> copying yt/utilities/tests/test_coordinate_conversions.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/tests
> copying yt/utilities/tests/test_periodic_table.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/tests
> copying yt/utilities/tests/test_periodicity.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/tests
> copying yt/utilities/tests/test_flagging_methods.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/tests
> copying yt/utilities/tests/test_chemical_formulas.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/tests
> copying yt/utilities/tests/test_interpolators.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/tests
> copying yt/utilities/tests/test_amr_kdtree.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/answer_testing
> copying yt/utilities/answer_testing/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/answer_testing
> copying yt/utilities/answer_testing/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/answer_testing
> copying yt/utilities/answer_testing/framework.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/answer_testing
> copying yt/utilities/answer_testing/answer_tests.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/answer_testing
> copying yt/utilities/answer_testing/level_sets_tests.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/answer_testing
> copying yt/utilities/answer_testing/utils.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/answer_testing
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/grid_data_format
> copying yt/utilities/grid_data_format/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/grid_data_format
> copying yt/utilities/grid_data_format/writer.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/grid_data_format
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/parallel_tools
> copying yt/utilities/parallel_tools/task_queue.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/parallel_tools
> copying yt/utilities/parallel_tools/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/parallel_tools
> copying yt/utilities/parallel_tools/controller_system.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/parallel_tools
> copying yt/utilities/parallel_tools/parallel_analysis_interface.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/parallel_tools
> copying yt/utilities/parallel_tools/io_runner.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/parallel_tools
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/amr_kdtree
> copying yt/utilities/amr_kdtree/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/amr_kdtree
> copying yt/utilities/amr_kdtree/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/amr_kdtree
> copying yt/utilities/amr_kdtree/amr_kdtools.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/amr_kdtree
> copying yt/utilities/amr_kdtree/amr_kdtree.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/amr_kdtree
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/poster
> copying yt/utilities/poster/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/poster
> copying yt/utilities/poster/encode.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/poster
> copying yt/utilities/poster/streaminghttp.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/poster
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/grid_data_format/tests
> copying yt/utilities/grid_data_format/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/grid_data_format/tests
> copying yt/utilities/grid_data_format/tests/test_writer.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/grid_data_format/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/grid_data_format/conversion
> copying yt/utilities/grid_data_format/conversion/conversion_abc.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/grid_data_format/conversion
> copying yt/utilities/grid_data_format/conversion/conversion_athena.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/grid_data_format/conversion
> copying yt/utilities/grid_data_format/conversion/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/grid_data_format/conversion
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/tests
> copying yt/utilities/lib/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/tests
> copying yt/utilities/lib/tests/test_element_mappings.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/tests
> copying yt/utilities/lib/tests/test_fill_region.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/tests
> copying yt/utilities/lib/tests/test_geometry_utils.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/tests
> copying yt/utilities/lib/tests/test_allocation_container.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/tests
> copying yt/utilities/lib/tests/test_ragged_arrays.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/tests
> copying yt/utilities/lib/tests/test_bitarray.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/tests
> copying yt/utilities/lib/tests/test_bounding_volume_hierarchy.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/tests
> copying yt/utilities/lib/tests/test_alt_ray_tracers.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/tests
> copying yt/utilities/lib/tests/test_sample.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/owls_subfind
> copying yt/frontends/owls_subfind/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/owls_subfind
> copying yt/frontends/owls_subfind/fields.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/owls_subfind
> copying yt/frontends/owls_subfind/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/owls_subfind
> copying yt/frontends/owls_subfind/data_structures.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/owls_subfind
> copying yt/frontends/owls_subfind/io.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/owls_subfind
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/art
> copying yt/frontends/art/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/art
> copying yt/frontends/art/fields.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/art
> copying yt/frontends/art/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/art
> copying yt/frontends/art/data_structures.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/art
> copying yt/frontends/art/io.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/art
> copying yt/frontends/art/definitions.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/art
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/adaptahop
> copying yt/frontends/adaptahop/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/adaptahop
> copying yt/frontends/adaptahop/fields.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/adaptahop
> copying yt/frontends/adaptahop/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/adaptahop
> copying yt/frontends/adaptahop/data_structures.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/adaptahop
> copying yt/frontends/adaptahop/io.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/adaptahop
> copying yt/frontends/adaptahop/definitions.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/adaptahop
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/artio
> copying yt/frontends/artio/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/artio
> copying yt/frontends/artio/fields.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/artio
> copying yt/frontends/artio/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/artio
> copying yt/frontends/artio/data_structures.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/artio
> copying yt/frontends/artio/io.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/artio
> copying yt/frontends/artio/definitions.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/artio
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/sph
> copying yt/frontends/sph/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/sph
> copying yt/frontends/sph/fields.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/sph
> copying yt/frontends/sph/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/sph
> copying yt/frontends/sph/data_structures.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/sph
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gadget_fof
> copying yt/frontends/gadget_fof/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gadget_fof
> copying yt/frontends/gadget_fof/fields.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gadget_fof
> copying yt/frontends/gadget_fof/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gadget_fof
> copying yt/frontends/gadget_fof/data_structures.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gadget_fof
> copying yt/frontends/gadget_fof/io.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gadget_fof
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/amrvac
> copying yt/frontends/amrvac/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/amrvac
> copying yt/frontends/amrvac/fields.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/amrvac
> copying yt/frontends/amrvac/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/amrvac
> copying yt/frontends/amrvac/data_structures.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/amrvac
> copying yt/frontends/amrvac/io.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/amrvac
> copying yt/frontends/amrvac/definitions.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/amrvac
> copying yt/frontends/amrvac/datfile_utils.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/amrvac
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/ahf
> copying yt/frontends/ahf/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/ahf
> copying yt/frontends/ahf/fields.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/ahf
> copying yt/frontends/ahf/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/ahf
> copying yt/frontends/ahf/data_structures.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/ahf
> copying yt/frontends/ahf/io.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/ahf
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/eagle
> copying yt/frontends/eagle/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/eagle
> copying yt/frontends/eagle/fields.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/eagle
> copying yt/frontends/eagle/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/eagle
> copying yt/frontends/eagle/data_structures.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/eagle
> copying yt/frontends/eagle/io.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/eagle
> copying yt/frontends/eagle/definitions.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/eagle
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/sdf
> copying yt/frontends/sdf/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/sdf
> copying yt/frontends/sdf/fields.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/sdf
> copying yt/frontends/sdf/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/sdf
> copying yt/frontends/sdf/misc.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/sdf
> copying yt/frontends/sdf/data_structures.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/sdf
> copying yt/frontends/sdf/io.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/sdf
> copying yt/frontends/sdf/definitions.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/sdf
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/stream
> copying yt/frontends/stream/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/stream
> copying yt/frontends/stream/fields.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/stream
> copying yt/frontends/stream/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/stream
> copying yt/frontends/stream/misc.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/stream
> copying yt/frontends/stream/data_structures.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/stream
> copying yt/frontends/stream/io.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/stream
> copying yt/frontends/stream/definitions.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/stream
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/moab
> copying yt/frontends/moab/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/moab
> copying yt/frontends/moab/fields.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/moab
> copying yt/frontends/moab/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/moab
> copying yt/frontends/moab/misc.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/moab
> copying yt/frontends/moab/data_structures.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/moab
> copying yt/frontends/moab/io.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/moab
> copying yt/frontends/moab/definitions.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/moab
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/tipsy
> copying yt/frontends/tipsy/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/tipsy
> copying yt/frontends/tipsy/fields.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/tipsy
> copying yt/frontends/tipsy/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/tipsy
> copying yt/frontends/tipsy/data_structures.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/tipsy
> copying yt/frontends/tipsy/io.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/tipsy
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/fits
> copying yt/frontends/fits/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/fits
> copying yt/frontends/fits/fields.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/fits
> copying yt/frontends/fits/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/fits
> copying yt/frontends/fits/misc.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/fits
> copying yt/frontends/fits/data_structures.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/fits
> copying yt/frontends/fits/io.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/fits
> copying yt/frontends/fits/definitions.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/fits
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/http_stream
> copying yt/frontends/http_stream/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/http_stream
> copying yt/frontends/http_stream/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/http_stream
> copying yt/frontends/http_stream/data_structures.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/http_stream
> copying yt/frontends/http_stream/io.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/http_stream
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/halo_catalog
> copying yt/frontends/halo_catalog/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/halo_catalog
> copying yt/frontends/halo_catalog/fields.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/halo_catalog
> copying yt/frontends/halo_catalog/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/halo_catalog
> copying yt/frontends/halo_catalog/data_structures.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/halo_catalog
> copying yt/frontends/halo_catalog/io.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/halo_catalog
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gadget
> copying yt/frontends/gadget/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gadget
> copying yt/frontends/gadget/fields.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gadget
> copying yt/frontends/gadget/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gadget
> copying yt/frontends/gadget/data_structures.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gadget
> copying yt/frontends/gadget/io.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gadget
> copying yt/frontends/gadget/definitions.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gadget
> copying yt/frontends/gadget/simulation_handling.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gadget
> copying yt/frontends/gadget/testing.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gadget
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/exodus_ii
> copying yt/frontends/exodus_ii/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/exodus_ii
> copying yt/frontends/exodus_ii/fields.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/exodus_ii
> copying yt/frontends/exodus_ii/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/exodus_ii
> copying yt/frontends/exodus_ii/misc.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/exodus_ii
> copying yt/frontends/exodus_ii/data_structures.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/exodus_ii
> copying yt/frontends/exodus_ii/util.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/exodus_ii
> copying yt/frontends/exodus_ii/io.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/exodus_ii
> copying yt/frontends/exodus_ii/definitions.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/exodus_ii
> copying yt/frontends/exodus_ii/simulation_handling.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/exodus_ii
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/enzo
> copying yt/frontends/enzo/answer_testing_support.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/enzo
> copying yt/frontends/enzo/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/enzo
> copying yt/frontends/enzo/fields.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/enzo
> copying yt/frontends/enzo/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/enzo
> copying yt/frontends/enzo/misc.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/enzo
> copying yt/frontends/enzo/data_structures.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/enzo
> copying yt/frontends/enzo/io.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/enzo
> copying yt/frontends/enzo/definitions.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/enzo
> copying yt/frontends/enzo/simulation_handling.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/enzo
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gizmo
> copying yt/frontends/gizmo/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gizmo
> copying yt/frontends/gizmo/fields.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gizmo
> copying yt/frontends/gizmo/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gizmo
> copying yt/frontends/gizmo/data_structures.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gizmo
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/athena
> copying yt/frontends/athena/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/athena
> copying yt/frontends/athena/fields.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/athena
> copying yt/frontends/athena/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/athena
> copying yt/frontends/athena/misc.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/athena
> copying yt/frontends/athena/data_structures.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/athena
> copying yt/frontends/athena/io.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/athena
> copying yt/frontends/athena/definitions.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/athena
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gamer
> copying yt/frontends/gamer/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gamer
> copying yt/frontends/gamer/fields.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gamer
> copying yt/frontends/gamer/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gamer
> copying yt/frontends/gamer/misc.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gamer
> copying yt/frontends/gamer/data_structures.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gamer
> copying yt/frontends/gamer/io.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gamer
> copying yt/frontends/gamer/definitions.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gamer
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/boxlib
> copying yt/frontends/boxlib/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/boxlib
> copying yt/frontends/boxlib/fields.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/boxlib
> copying yt/frontends/boxlib/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/boxlib
> copying yt/frontends/boxlib/misc.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/boxlib
> copying yt/frontends/boxlib/data_structures.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/boxlib
> copying yt/frontends/boxlib/io.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/boxlib
> copying yt/frontends/boxlib/definitions.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/boxlib
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/open_pmd
> copying yt/frontends/open_pmd/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/open_pmd
> copying yt/frontends/open_pmd/fields.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/open_pmd
> copying yt/frontends/open_pmd/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/open_pmd
> copying yt/frontends/open_pmd/misc.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/open_pmd
> copying yt/frontends/open_pmd/data_structures.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/open_pmd
> copying yt/frontends/open_pmd/io.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/open_pmd
> copying yt/frontends/open_pmd/definitions.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/open_pmd
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/enzo_p
> copying yt/frontends/enzo_p/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/enzo_p
> copying yt/frontends/enzo_p/fields.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/enzo_p
> copying yt/frontends/enzo_p/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/enzo_p
> copying yt/frontends/enzo_p/misc.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/enzo_p
> copying yt/frontends/enzo_p/data_structures.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/enzo_p
> copying yt/frontends/enzo_p/io.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/enzo_p
> copying yt/frontends/enzo_p/definitions.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/enzo_p
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/ytdata
> copying yt/frontends/ytdata/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/ytdata
> copying yt/frontends/ytdata/utilities.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/ytdata
> copying yt/frontends/ytdata/fields.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/ytdata
> copying yt/frontends/ytdata/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/ytdata
> copying yt/frontends/ytdata/data_structures.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/ytdata
> copying yt/frontends/ytdata/io.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/ytdata
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/chombo
> copying yt/frontends/chombo/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/chombo
> copying yt/frontends/chombo/fields.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/chombo
> copying yt/frontends/chombo/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/chombo
> copying yt/frontends/chombo/misc.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/chombo
> copying yt/frontends/chombo/data_structures.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/chombo
> copying yt/frontends/chombo/io.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/chombo
> copying yt/frontends/chombo/definitions.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/chombo
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/rockstar
> copying yt/frontends/rockstar/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/rockstar
> copying yt/frontends/rockstar/fields.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/rockstar
> copying yt/frontends/rockstar/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/rockstar
> copying yt/frontends/rockstar/data_structures.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/rockstar
> copying yt/frontends/rockstar/io.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/rockstar
> copying yt/frontends/rockstar/definitions.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/rockstar
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/flash
> copying yt/frontends/flash/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/flash
> copying yt/frontends/flash/fields.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/flash
> copying yt/frontends/flash/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/flash
> copying yt/frontends/flash/misc.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/flash
> copying yt/frontends/flash/data_structures.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/flash
> copying yt/frontends/flash/io.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/flash
> copying yt/frontends/flash/definitions.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/flash
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gdf
> copying yt/frontends/gdf/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gdf
> copying yt/frontends/gdf/fields.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gdf
> copying yt/frontends/gdf/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gdf
> copying yt/frontends/gdf/misc.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gdf
> copying yt/frontends/gdf/data_structures.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gdf
> copying yt/frontends/gdf/io.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gdf
> copying yt/frontends/gdf/definitions.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gdf
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/owls
> copying yt/frontends/owls/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/owls
> copying yt/frontends/owls/fields.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/owls
> copying yt/frontends/owls/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/owls
> copying yt/frontends/owls/data_structures.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/owls
> copying yt/frontends/owls/io.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/owls
> copying yt/frontends/owls/definitions.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/owls
> copying yt/frontends/owls/simulation_handling.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/owls
> copying yt/frontends/owls/owls_ion_tables.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/owls
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/ramses
> copying yt/frontends/ramses/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/ramses
> copying yt/frontends/ramses/fields.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/ramses
> copying yt/frontends/ramses/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/ramses
> copying yt/frontends/ramses/particle_handlers.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/ramses
> copying yt/frontends/ramses/data_structures.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/ramses
> copying yt/frontends/ramses/io.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/ramses
> copying yt/frontends/ramses/definitions.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/ramses
> copying yt/frontends/ramses/hilbert.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/ramses
> copying yt/frontends/ramses/field_handlers.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/ramses
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/athena_pp
> copying yt/frontends/athena_pp/api.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/athena_pp
> copying yt/frontends/athena_pp/fields.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/athena_pp
> copying yt/frontends/athena_pp/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/athena_pp
> copying yt/frontends/athena_pp/misc.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/athena_pp
> copying yt/frontends/athena_pp/data_structures.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/athena_pp
> copying yt/frontends/athena_pp/io.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/athena_pp
> copying yt/frontends/athena_pp/definitions.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/athena_pp
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/owls_subfind/tests
> copying yt/frontends/owls_subfind/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/owls_subfind/tests
> copying yt/frontends/owls_subfind/tests/test_outputs.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/owls_subfind/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/art/tests
> copying yt/frontends/art/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/art/tests
> copying yt/frontends/art/tests/test_outputs.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/art/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/adaptahop/tests
> copying yt/frontends/adaptahop/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/adaptahop/tests
> copying yt/frontends/adaptahop/tests/test_outputs.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/adaptahop/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/artio/tests
> copying yt/frontends/artio/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/artio/tests
> copying yt/frontends/artio/tests/test_outputs.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/artio/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gadget_fof/tests
> copying yt/frontends/gadget_fof/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gadget_fof/tests
> copying yt/frontends/gadget_fof/tests/test_outputs.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gadget_fof/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/amrvac/tests
> copying yt/frontends/amrvac/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/amrvac/tests
> copying yt/frontends/amrvac/tests/test_read_amrvac_namelist.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/amrvac/tests
> copying yt/frontends/amrvac/tests/test_outputs.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/amrvac/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/ahf/tests
> copying yt/frontends/ahf/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/ahf/tests
> copying yt/frontends/ahf/tests/test_outputs.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/ahf/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/eagle/tests
> copying yt/frontends/eagle/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/eagle/tests
> copying yt/frontends/eagle/tests/test_outputs.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/eagle/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/stream/sample_data
> copying yt/frontends/stream/sample_data/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/stream/sample_data
> copying yt/frontends/stream/sample_data/tetrahedral_mesh.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/stream/sample_data
> copying yt/frontends/stream/sample_data/hexahedral_mesh.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/stream/sample_data
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/stream/tests
> copying yt/frontends/stream/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/stream/tests
> copying yt/frontends/stream/tests/test_stream_unstructured.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/stream/tests
> copying yt/frontends/stream/tests/test_stream_octree.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/stream/tests
> copying yt/frontends/stream/tests/test_stream_hexahedral.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/stream/tests
> copying yt/frontends/stream/tests/test_outputs.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/stream/tests
> copying yt/frontends/stream/tests/test_stream_amrgrids.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/stream/tests
> copying yt/frontends/stream/tests/test_update_data.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/stream/tests
> copying yt/frontends/stream/tests/test_stream_particles.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/stream/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/moab/tests
> copying yt/frontends/moab/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/moab/tests
> copying yt/frontends/moab/tests/test_c5.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/moab/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/tipsy/tests
> copying yt/frontends/tipsy/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/tipsy/tests
> copying yt/frontends/tipsy/tests/test_outputs.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/tipsy/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/fits/tests
> copying yt/frontends/fits/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/fits/tests
> copying yt/frontends/fits/tests/test_outputs.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/fits/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/halo_catalog/tests
> copying yt/frontends/halo_catalog/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/halo_catalog/tests
> copying yt/frontends/halo_catalog/tests/test_outputs.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/halo_catalog/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gadget/tests
> copying yt/frontends/gadget/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gadget/tests
> copying yt/frontends/gadget/tests/test_outputs.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gadget/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/exodus_ii/tests
> copying yt/frontends/exodus_ii/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/exodus_ii/tests
> copying yt/frontends/exodus_ii/tests/test_outputs.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/exodus_ii/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/enzo/tests
> copying yt/frontends/enzo/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/enzo/tests
> copying yt/frontends/enzo/tests/test_outputs.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/enzo/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gizmo/tests
> copying yt/frontends/gizmo/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gizmo/tests
> copying yt/frontends/gizmo/tests/test_outputs.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gizmo/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/athena/tests
> copying yt/frontends/athena/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/athena/tests
> copying yt/frontends/athena/tests/test_outputs.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/athena/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gamer/tests
> copying yt/frontends/gamer/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gamer/tests
> copying yt/frontends/gamer/tests/test_outputs.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gamer/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/boxlib/tests
> copying yt/frontends/boxlib/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/boxlib/tests
> copying yt/frontends/boxlib/tests/test_outputs.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/boxlib/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/open_pmd/tests
> copying yt/frontends/open_pmd/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/open_pmd/tests
> copying yt/frontends/open_pmd/tests/test_outputs.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/open_pmd/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/enzo_p/tests
> copying yt/frontends/enzo_p/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/enzo_p/tests
> copying yt/frontends/enzo_p/tests/test_misc.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/enzo_p/tests
> copying yt/frontends/enzo_p/tests/test_outputs.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/enzo_p/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/ytdata/tests
> copying yt/frontends/ytdata/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/ytdata/tests
> copying yt/frontends/ytdata/tests/test_old_outputs.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/ytdata/tests
> copying yt/frontends/ytdata/tests/test_outputs.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/ytdata/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/chombo/tests
> copying yt/frontends/chombo/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/chombo/tests
> copying yt/frontends/chombo/tests/test_outputs.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/chombo/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/rockstar/tests
> copying yt/frontends/rockstar/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/rockstar/tests
> copying yt/frontends/rockstar/tests/test_outputs.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/rockstar/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/flash/tests
> copying yt/frontends/flash/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/flash/tests
> copying yt/frontends/flash/tests/test_outputs.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/flash/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gdf/tests
> copying yt/frontends/gdf/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gdf/tests
> copying yt/frontends/gdf/tests/test_outputs.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gdf/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/owls/tests
> copying yt/frontends/owls/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/owls/tests
> copying yt/frontends/owls/tests/test_outputs.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/owls/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/ramses/tests
> copying yt/frontends/ramses/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/ramses/tests
> copying yt/frontends/ramses/tests/test_hilbert.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/ramses/tests
> copying yt/frontends/ramses/tests/test_outputs.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/ramses/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/athena_pp/tests
> copying yt/frontends/athena_pp/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/athena_pp/tests
> copying yt/frontends/athena_pp/tests/test_outputs.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/athena_pp/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/units/tests
> copying yt/units/tests/test_units.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/units/tests
> copying yt/units/tests/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/units/tests
> copying yt/units/tests/test_unit_systems.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/units/tests
> copying yt/units/tests/test_define_unit.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/units/tests
> copying yt/units/tests/test_ytarray.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/units/tests
> running egg_info
> writing yt.egg-info/PKG-INFO
> writing dependency_links to yt.egg-info/dependency_links.txt
> writing entry points to yt.egg-info/entry_points.txt
> writing requirements to yt.egg-info/requires.txt
> writing top-level names to yt.egg-info/top_level.txt
> Compiling yt/analysis_modules/photon_simulator/utils.pyx because it depends on /usr/lib/python3/dist-packages/Cython/Includes/numpy/__init__.pxd.
> Compiling yt/analysis_modules/ppv_cube/ppv_utils.pyx because it depends on /usr/lib/python3/dist-packages/Cython/Includes/numpy/__init__.pxd.
> Compiling yt/geometry/grid_visitors.pyx because it depends on /usr/lib/python3/dist-packages/Cython/Includes/numpy/__init__.pxd.
> Compiling yt/geometry/grid_container.pyx because it depends on /usr/lib/python3/dist-packages/Cython/Includes/numpy/__init__.pxd.
> Compiling yt/geometry/oct_container.pyx because it depends on /usr/lib/python3/dist-packages/Cython/Includes/numpy/__init__.pxd.
> Compiling yt/geometry/oct_visitors.pyx because it depends on /usr/lib/python3/dist-packages/Cython/Includes/numpy/__init__.pxd.
> Compiling yt/geometry/particle_oct_container.pyx because it depends on /usr/lib/python3/dist-packages/Cython/Includes/numpy/__init__.pxd.
> Compiling yt/geometry/selection_routines.pyx because it depends on /usr/lib/python3/dist-packages/Cython/Includes/numpy/__init__.pxd.
> Compiling yt/geometry/particle_deposit.pyx because it depends on /usr/lib/python3/dist-packages/Cython/Includes/cpython/unicode.pxd.
> Compiling yt/geometry/particle_smooth.pyx because it depends on /usr/lib/python3/dist-packages/Cython/Includes/numpy/__init__.pxd.
> Compiling yt/geometry/fake_octree.pyx because it depends on /usr/lib/python3/dist-packages/Cython/Includes/numpy/__init__.pxd.
> Compiling yt/utilities/lib/autogenerated_element_samplers.pyx because it depends on /usr/lib/python3/dist-packages/Cython/Includes/libc/math.pxd.
> Compiling yt/utilities/lib/bitarray.pyx because it depends on /usr/lib/python3/dist-packages/Cython/Includes/numpy/__init__.pxd.
> Compiling yt/utilities/lib/bounding_volume_hierarchy.pyx because it depends on /usr/lib/python3/dist-packages/Cython/Includes/numpy/__init__.pxd.
> Compiling yt/utilities/lib/contour_finding.pyx because it depends on /usr/lib/python3/dist-packages/Cython/Includes/numpy/__init__.pxd.
> Compiling yt/utilities/lib/fnv_hash.pyx because it depends on /usr/lib/python3/dist-packages/Cython/Includes/numpy/__init__.pxd.
> Compiling yt/utilities/lib/geometry_utils.pyx because it depends on /usr/lib/python3/dist-packages/Cython/Includes/numpy/__init__.pxd.
> Compiling yt/utilities/lib/marching_cubes.pyx because it depends on /usr/lib/python3/dist-packages/Cython/Includes/numpy/__init__.pxd.
> Compiling yt/utilities/lib/mesh_triangulation.pyx because it depends on /usr/lib/python3/dist-packages/Cython/Includes/numpy/__init__.pxd.
> Compiling yt/utilities/lib/pixelization_routines.pyx because it depends on /usr/lib/python3/dist-packages/Cython/Includes/numpy/__init__.pxd.
> Compiling yt/utilities/lib/primitives.pyx because it depends on /usr/lib/python3/dist-packages/Cython/Includes/numpy/__init__.pxd.
> Compiling yt/utilities/lib/cosmology_time.pyx because it depends on /usr/lib/python3/dist-packages/Cython/Includes/numpy/__init__.pxd.
> Compiling yt/utilities/lib/origami.pyx because it depends on /usr/lib/python3/dist-packages/Cython/Includes/numpy/__init__.pxd.
> Compiling yt/utilities/lib/grid_traversal.pyx because it depends on /usr/lib/python3/dist-packages/Cython/Includes/numpy/__init__.pxd.
> Compiling yt/utilities/lib/image_samplers.pyx because it depends on /usr/lib/python3/dist-packages/Cython/Includes/numpy/__init__.pxd.
> Compiling yt/utilities/lib/partitioned_grid.pyx because it depends on /usr/lib/python3/dist-packages/Cython/Includes/numpy/__init__.pxd.
> Compiling yt/utilities/lib/element_mappings.pyx because it depends on /usr/lib/python3/dist-packages/Cython/Includes/numpy/__init__.pxd.
> Compiling yt/utilities/lib/alt_ray_tracers.pyx because it changed.
> Compiling yt/utilities/lib/misc_utilities.pyx because it changed.
> Compiling yt/frontends/ramses/io_utils.pyx because it depends on /usr/lib/python3/dist-packages/Cython/Includes/numpy/__init__.pxd.
> Compiling yt/utilities/cython_fortran_utils.pyx because it depends on /usr/lib/python3/dist-packages/Cython/Includes/numpy/__init__.pxd.
> Compiling yt/utilities/lib/particle_mesh_operations.pyx because it depends on /usr/lib/python3/dist-packages/Cython/Includes/numpy/__init__.pxd.
> Compiling yt/utilities/lib/depth_first_octree.pyx because it depends on /usr/lib/python3/dist-packages/Cython/Includes/numpy/__init__.pxd.
> Compiling yt/utilities/lib/fortran_reader.pyx because it depends on /usr/lib/python3/dist-packages/Cython/Includes/numpy/__init__.pxd.
> Compiling yt/utilities/lib/interpolators.pyx because it depends on /usr/lib/python3/dist-packages/Cython/Includes/numpy/__init__.pxd.
> Compiling yt/utilities/lib/basic_octree.pyx because it depends on /usr/lib/python3/dist-packages/Cython/Includes/numpy/__init__.pxd.
> Compiling yt/utilities/lib/image_utilities.pyx because it depends on /usr/lib/python3/dist-packages/Cython/Includes/numpy/__init__.pxd.
> Compiling yt/utilities/lib/points_in_volume.pyx because it depends on /usr/lib/python3/dist-packages/Cython/Includes/numpy/__init__.pxd.
> Compiling yt/utilities/lib/quad_tree.pyx because it depends on /usr/lib/python3/dist-packages/Cython/Includes/numpy/__init__.pxd.
> Compiling yt/utilities/lib/mesh_utilities.pyx because it depends on /usr/lib/python3/dist-packages/Cython/Includes/numpy/__init__.pxd.
> Compiling yt/utilities/lib/amr_kdtools.pyx because it depends on /usr/lib/python3/dist-packages/Cython/Includes/numpy/__init__.pxd.
> Compiling yt/utilities/lib/lenses.pyx because it depends on /usr/lib/python3/dist-packages/Cython/Includes/numpy/__init__.pxd.
> Compiling yt/utilities/lib/distance_queue.pyx because it depends on /usr/lib/python3/dist-packages/Cython/Includes/numpy/__init__.pxd.
> Compiling yt/utilities/lib/allocation_container.pyx because it depends on /usr/lib/python3/dist-packages/Cython/Includes/numpy/__init__.pxd.
> Compiling yt/utilities/lib/write_array.pyx because it depends on /usr/lib/python3/dist-packages/Cython/Includes/numpy/__init__.pxd.
> Compiling yt/utilities/lib/ragged_arrays.pyx because it depends on /usr/lib/python3/dist-packages/Cython/Includes/numpy/__init__.pxd.
> Compiling yt/utilities/lib/line_integral_convolution.pyx because it depends on /usr/lib/python3/dist-packages/Cython/Includes/numpy/__init__.pxd.
> Compiling yt/frontends/artio/_artio_caller.pyx because it depends on /usr/lib/python3/dist-packages/Cython/Includes/numpy/__init__.pxd.
> [ 1/48] Cythonizing yt/utilities/lib/alt_ray_tracers.pyx
> [ 2/48] Cythonizing yt/utilities/lib/misc_utilities.pyx
> [ 3/48] Cythonizing yt/analysis_modules/photon_simulator/utils.pyx
> [ 4/48] Cythonizing yt/analysis_modules/ppv_cube/ppv_utils.pyx
> [ 5/48] Cythonizing yt/frontends/artio/_artio_caller.pyx
> [ 6/48] Cythonizing yt/frontends/ramses/io_utils.pyx
> [ 7/48] Cythonizing yt/geometry/fake_octree.pyx
> [ 8/48] Cythonizing yt/geometry/grid_container.pyx
> [ 9/48] Cythonizing yt/geometry/grid_visitors.pyx
> [10/48] Cythonizing yt/geometry/oct_container.pyx
> [11/48] Cythonizing yt/geometry/oct_visitors.pyx
> [12/48] Cythonizing yt/geometry/particle_oct_container.pyx
> [13/48] Cythonizing yt/geometry/particle_smooth.pyx
> [14/48] Cythonizing yt/geometry/selection_routines.pyx
> [15/48] Cythonizing yt/utilities/cython_fortran_utils.pyx
> [16/48] Cythonizing yt/utilities/lib/allocation_container.pyx
> [17/48] Cythonizing yt/utilities/lib/amr_kdtools.pyx
> [18/48] Cythonizing yt/utilities/lib/autogenerated_element_samplers.pyx
> [19/48] Cythonizing yt/utilities/lib/basic_octree.pyx
> [20/48] Cythonizing yt/utilities/lib/bitarray.pyx
> [21/48] Cythonizing yt/utilities/lib/bounding_volume_hierarchy.pyx
> [22/48] Cythonizing yt/utilities/lib/contour_finding.pyx
> [23/48] Cythonizing yt/utilities/lib/cosmology_time.pyx
> [24/48] Cythonizing yt/utilities/lib/depth_first_octree.pyx
> [25/48] Cythonizing yt/utilities/lib/distance_queue.pyx
> [26/48] Cythonizing yt/utilities/lib/element_mappings.pyx
> [27/48] Cythonizing yt/utilities/lib/fnv_hash.pyx
> [28/48] Cythonizing yt/utilities/lib/fortran_reader.pyx
> [29/48] Cythonizing yt/utilities/lib/geometry_utils.pyx
> [30/48] Cythonizing yt/utilities/lib/grid_traversal.pyx
> [31/48] Cythonizing yt/utilities/lib/image_samplers.pyx
> [32/48] Cythonizing yt/utilities/lib/image_utilities.pyx
> [33/48] Cythonizing yt/utilities/lib/interpolators.pyx
> [34/48] Cythonizing yt/utilities/lib/lenses.pyx
> [35/48] Cythonizing yt/utilities/lib/line_integral_convolution.pyx
> [36/48] Cythonizing yt/utilities/lib/marching_cubes.pyx
> [37/48] Cythonizing yt/utilities/lib/mesh_triangulation.pyx
> [38/48] Cythonizing yt/utilities/lib/mesh_utilities.pyx
> [39/48] Cythonizing yt/utilities/lib/origami.pyx
> [40/48] Cythonizing yt/utilities/lib/particle_mesh_operations.pyx
> [41/48] Cythonizing yt/utilities/lib/partitioned_grid.pyx
> [42/48] Cythonizing yt/utilities/lib/pixelization_routines.pyx
> [43/48] Cythonizing yt/utilities/lib/points_in_volume.pyx
> [44/48] Cythonizing yt/utilities/lib/primitives.pyx
> [45/48] Cythonizing yt/utilities/lib/quad_tree.pyx
> [46/48] Cythonizing yt/utilities/lib/ragged_arrays.pyx
> [47/48] Cythonizing yt/utilities/lib/write_array.pyx
> [48/48] Cythonizing yt/geometry/particle_deposit.pyx
> reading manifest file 'yt.egg-info/SOURCES.txt'
> reading manifest template 'MANIFEST.in'
> warning: no previously-included files found matching 'scripts/pr_backport.py'
> warning: no files found matching 'README*' under directory 'yt'
> warning: no files found matching 'LICENSE*' under directory 'yt'
> no previously-included directories found matching 'doc/source/reference/api/generated'
> no previously-included directories found matching 'doc/build'
> no previously-included directories found matching 'yt/frontends/_skeleton'
> writing manifest file 'yt.egg-info/SOURCES.txt'
> copying yt/geometry/fake_octree.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry
> copying yt/geometry/fake_octree.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry
> copying yt/geometry/grid_container.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry
> copying yt/geometry/grid_container.pxd -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry
> copying yt/geometry/grid_container.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry
> copying yt/geometry/grid_visitors.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry
> copying yt/geometry/grid_visitors.pxd -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry
> copying yt/geometry/grid_visitors.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry
> copying yt/geometry/oct_container.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry
> copying yt/geometry/oct_container.pxd -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry
> copying yt/geometry/oct_container.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry
> copying yt/geometry/oct_visitors.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry
> copying yt/geometry/oct_visitors.pxd -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry
> copying yt/geometry/oct_visitors.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry
> copying yt/geometry/particle_deposit.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry
> copying yt/geometry/particle_deposit.pxd -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry
> copying yt/geometry/particle_deposit.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry
> copying yt/geometry/particle_oct_container.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry
> copying yt/geometry/particle_oct_container.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry
> copying yt/geometry/particle_smooth.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry
> copying yt/geometry/particle_smooth.pxd -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry
> copying yt/geometry/particle_smooth.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry
> copying yt/geometry/selection_routines.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry
> copying yt/geometry/selection_routines.pxd -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry
> copying yt/geometry/selection_routines.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry
> copying yt/utilities/cython_fortran_utils.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities
> copying yt/utilities/cython_fortran_utils.pxd -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities
> copying yt/utilities/cython_fortran_utils.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities
> copying yt/utilities/mesh_types.yaml -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities
> copying yt/utilities/voropp.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities
> copying yt/analysis_modules/ppv_cube/ppv_utils.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/ppv_cube
> copying yt/analysis_modules/ppv_cube/ppv_utils.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/ppv_cube
> copying yt/analysis_modules/photon_simulator/utils.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/photon_simulator
> copying yt/analysis_modules/photon_simulator/utils.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/photon_simulator
> copying yt/analysis_modules/halo_finding/hop/EnzoHop.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_finding/hop
> copying yt/analysis_modules/halo_finding/hop/hop.h -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_finding/hop
> copying yt/analysis_modules/halo_finding/hop/hop_hop.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_finding/hop
> copying yt/analysis_modules/halo_finding/hop/hop_kd.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_finding/hop
> copying yt/analysis_modules/halo_finding/hop/hop_numpy.h -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_finding/hop
> copying yt/analysis_modules/halo_finding/hop/hop_regroup.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_finding/hop
> copying yt/analysis_modules/halo_finding/hop/hop_slice.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_finding/hop
> copying yt/analysis_modules/halo_finding/hop/hop_smooth.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_finding/hop
> copying yt/analysis_modules/halo_finding/hop/kd.h -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_finding/hop
> copying yt/analysis_modules/halo_finding/hop/slice.h -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_finding/hop
> copying yt/analysis_modules/halo_finding/hop/smooth.h -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_finding/hop
> copying yt/analysis_modules/halo_finding/fof/EnzoFOF.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_finding/fof
> copying yt/analysis_modules/halo_finding/fof/kd.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_finding/fof
> copying yt/analysis_modules/halo_finding/fof/kd.h -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_finding/fof
> copying yt/analysis_modules/halo_finding/fof/tipsydefs.h -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_finding/fof
> copying yt/analysis_modules/halo_finding/rockstar/rockstar_groupies.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_finding/rockstar
> copying yt/analysis_modules/halo_finding/rockstar/rockstar_interface.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_finding/rockstar
> copying yt/visualization/volume_rendering/_cuda_caster.cu -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering
> copying yt/visualization/mapserver/html/map.js -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/mapserver/html
> copying yt/visualization/mapserver/html/map_index.html -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/mapserver/html
> copying yt/visualization/volume_rendering/shaders/apply_colormap.fragmentshader -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/shaders
> copying yt/visualization/volume_rendering/shaders/default.vertexshader -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/shaders
> copying yt/visualization/volume_rendering/shaders/drawlines.fragmentshader -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/shaders
> copying yt/visualization/volume_rendering/shaders/max_intensity.fragmentshader -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/shaders
> copying yt/visualization/volume_rendering/shaders/mesh.fragmentshader -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/shaders
> copying yt/visualization/volume_rendering/shaders/mesh.vertexshader -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/shaders
> copying yt/visualization/volume_rendering/shaders/noop.fragmentshader -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/shaders
> copying yt/visualization/volume_rendering/shaders/passthrough.fragmentshader -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/shaders
> copying yt/visualization/volume_rendering/shaders/passthrough.vertexshader -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/shaders
> copying yt/visualization/volume_rendering/shaders/projection.fragmentshader -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/shaders
> copying yt/visualization/volume_rendering/shaders/transfer_function.fragmentshader -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/shaders
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry/coordinates/tests
> copying yt/geometry/coordinates/tests/test_axial_pixelization.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry/coordinates/tests
> copying yt/geometry/coordinates/tests/test_cartesian_coordinates.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry/coordinates/tests
> copying yt/geometry/coordinates/tests/test_cylindrical_coordinates.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry/coordinates/tests
> copying yt/geometry/coordinates/tests/test_geographic_coordinates.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry/coordinates/tests
> copying yt/geometry/coordinates/tests/test_polar_coordinates.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry/coordinates/tests
> copying yt/geometry/coordinates/tests/test_spherical_coordinates.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry/coordinates/tests
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/grid_data_format/docs
> copying yt/utilities/grid_data_format/docs/IRATE_notes.txt -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/grid_data_format/docs
> copying yt/utilities/grid_data_format/docs/gdf_specification.txt -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/grid_data_format/docs
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/grid_data_format/scripts
> copying yt/utilities/grid_data_format/scripts/convert_distributed_athena.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/grid_data_format/scripts
> copying yt/utilities/grid_data_format/scripts/convert_single_athena.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/grid_data_format/scripts
> copying yt/utilities/lib/allocation_container.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/allocation_container.pxd -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/allocation_container.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/alt_ray_tracers.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/alt_ray_tracers.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/amr_kdtools.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/amr_kdtools.pxd -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/amr_kdtools.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/autogenerated_element_samplers.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/autogenerated_element_samplers.pxd -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/autogenerated_element_samplers.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/basic_octree.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/basic_octree.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/bitarray.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/bitarray.pxd -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/bitarray.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/bounding_volume_hierarchy.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/bounding_volume_hierarchy.pxd -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/bounding_volume_hierarchy.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/contour_finding.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/contour_finding.pxd -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/contour_finding.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/cosmology_time.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/cosmology_time.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/depth_first_octree.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/depth_first_octree.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/distance_queue.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/distance_queue.pxd -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/distance_queue.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/element_mappings.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/element_mappings.pxd -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/element_mappings.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/endian_swap.h -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/field_interpolation_tables.pxd -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/fixed_interpolator.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/fixed_interpolator.h -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/fixed_interpolator.pxd -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/fnv_hash.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/fnv_hash.pxd -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/fnv_hash.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/fortran_reader.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/fortran_reader.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/fp_utils.pxd -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/geometry_utils.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/geometry_utils.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/grid_traversal.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/grid_traversal.pxd -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/grid_traversal.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/healpix_interface.pxd -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/image_samplers.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/image_samplers.pxd -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/image_samplers.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/image_utilities.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/image_utilities.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/interpolators.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/interpolators.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/lenses.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/lenses.pxd -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/lenses.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/line_integral_convolution.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/line_integral_convolution.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/marching_cubes.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/marching_cubes.h -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/marching_cubes.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/mesh_construction.pxd -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/mesh_construction.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/mesh_intersection.pxd -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/mesh_intersection.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/mesh_samplers.pxd -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/mesh_samplers.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/mesh_traversal.pxd -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/mesh_traversal.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/mesh_triangulation.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/mesh_triangulation.h -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/mesh_triangulation.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/mesh_utilities.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/mesh_utilities.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/misc_utilities.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/misc_utilities.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/origami.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/origami.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/origami_tags.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/origami_tags.h -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/particle_mesh_operations.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/particle_mesh_operations.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/partitioned_grid.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/partitioned_grid.pxd -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/partitioned_grid.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/perftools_wrap.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/pixelization_constants.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/pixelization_constants.h -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/pixelization_routines.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/pixelization_routines.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/platform_dep.h -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/points_in_volume.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/points_in_volume.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/primitives.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/primitives.pxd -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/primitives.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/quad_tree.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/quad_tree.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/ragged_arrays.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/ragged_arrays.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/tsearch.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/tsearch.h -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/vec3_ops.pxd -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/volume_container.pxd -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/write_array.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/utilities/lib/write_array.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib
> copying yt/frontends/artio/_artio_caller.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/artio
> copying yt/frontends/artio/_artio_caller.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/artio
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/artio/artio_headers
> copying yt/frontends/artio/artio_headers/artio.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/artio/artio_headers
> copying yt/frontends/artio/artio_headers/artio.h -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/artio/artio_headers
> copying yt/frontends/artio/artio_headers/artio_endian.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/artio/artio_headers
> copying yt/frontends/artio/artio_headers/artio_endian.h -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/artio/artio_headers
> copying yt/frontends/artio/artio_headers/artio_file.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/artio/artio_headers
> copying yt/frontends/artio/artio_headers/artio_grid.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/artio/artio_headers
> copying yt/frontends/artio/artio_headers/artio_internal.h -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/artio/artio_headers
> copying yt/frontends/artio/artio_headers/artio_mpi.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/artio/artio_headers
> copying yt/frontends/artio/artio_headers/artio_mpi.h -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/artio/artio_headers
> copying yt/frontends/artio/artio_headers/artio_parameter.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/artio/artio_headers
> copying yt/frontends/artio/artio_headers/artio_particle.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/artio/artio_headers
> copying yt/frontends/artio/artio_headers/artio_posix.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/artio/artio_headers
> copying yt/frontends/artio/artio_headers/artio_selector.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/artio/artio_headers
> copying yt/frontends/artio/artio_headers/artio_sfc.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/artio/artio_headers
> copying yt/frontends/artio/artio_headers/cosmology.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/artio/artio_headers
> copying yt/frontends/artio/artio_headers/cosmology.h -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/artio/artio_headers
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/sdf/tests
> copying yt/frontends/sdf/tests/test_outputs.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/sdf/tests
> copying yt/frontends/ramses/io_utils.c -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/ramses
> copying yt/frontends/ramses/io_utils.pyx -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/ramses
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/amrvac/tests/sample_parfiles
> copying yt/frontends/amrvac/tests/sample_parfiles/bw_3d.par -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/amrvac/tests/sample_parfiles
> copying yt/frontends/amrvac/tests/sample_parfiles/tvdlf_scheme.par -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/amrvac/tests/sample_parfiles
> running build_ext
> building 'yt.analysis_modules.photon_simulator.utils' extension
> creating build
> creating build/temp.linux-x86_64-3.8
> creating build/temp.linux-x86_64-3.8/yt
> creating build/temp.linux-x86_64-3.8/yt/analysis_modules
> creating build/temp.linux-x86_64-3.8/yt/analysis_modules/photon_simulator
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iyt/utilities/lib -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/analysis_modules/photon_simulator/utils.c -o build/temp.linux-x86_64-3.8/yt/analysis_modules/photon_simulator/utils.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from /usr/include/python3.8/numpy/arrayobject.h:4,
>                  from yt/analysis_modules/photon_simulator/utils.c:628:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/analysis_modules/photon_simulator/utils.o -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/photon_simulator/utils.cpython-38-x86_64-linux-gnu.so
> building 'yt.analysis_modules.ppv_cube.ppv_utils' extension
> creating build/temp.linux-x86_64-3.8/yt/analysis_modules/ppv_cube
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/analysis_modules/ppv_cube/ppv_utils.c -o build/temp.linux-x86_64-3.8/yt/analysis_modules/ppv_cube/ppv_utils.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from /usr/include/python3.8/numpy/arrayobject.h:4,
>                  from yt/analysis_modules/ppv_cube/ppv_utils.c:626:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/analysis_modules/ppv_cube/ppv_utils.o -lm -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/ppv_cube/ppv_utils.cpython-38-x86_64-linux-gnu.so
> building 'yt.geometry.grid_visitors' extension
> creating build/temp.linux-x86_64-3.8/yt/geometry
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iyt/utilities/lib -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/geometry/grid_visitors.c -o build/temp.linux-x86_64-3.8/yt/geometry/grid_visitors.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from /usr/include/python3.8/numpy/arrayobject.h:4,
>                  from yt/geometry/grid_visitors.c:629:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/geometry/grid_visitors.o -lm -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry/grid_visitors.cpython-38-x86_64-linux-gnu.so
> building 'yt.geometry.grid_container' extension
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iyt/utilities/lib/ -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/geometry/grid_container.c -o build/temp.linux-x86_64-3.8/yt/geometry/grid_container.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from /usr/include/python3.8/numpy/arrayobject.h:4,
>                  from yt/geometry/grid_container.c:631:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> yt/geometry/grid_container.c: In function ‘__pyx_pf_2yt_8geometry_14grid_container_8GridTree_11select_icoords’:
> yt/geometry/grid_container.c:6443:30: warning: comparison of integer expressions of different signedness: ‘__pyx_t_5numpy_uint64_t’ {aka ‘long unsigned int’} and ‘long long int’ [-Wsign-compare]
>  6443 |   __pyx_t_1 = ((__pyx_v_size == -1LL) != 0);
>       |                              ^~
> yt/geometry/grid_container.c: In function ‘__pyx_pf_2yt_8geometry_14grid_container_8GridTree_13select_ires’:
> yt/geometry/grid_container.c:6730:30: warning: comparison of integer expressions of different signedness: ‘__pyx_t_5numpy_uint64_t’ {aka ‘long unsigned int’} and ‘long long int’ [-Wsign-compare]
>  6730 |   __pyx_t_1 = ((__pyx_v_size == -1LL) != 0);
>       |                              ^~
> yt/geometry/grid_container.c: In function ‘__pyx_pf_2yt_8geometry_14grid_container_8GridTree_15select_fcoords’:
> yt/geometry/grid_container.c:7009:30: warning: comparison of integer expressions of different signedness: ‘__pyx_t_5numpy_uint64_t’ {aka ‘long unsigned int’} and ‘long long int’ [-Wsign-compare]
>  7009 |   __pyx_t_1 = ((__pyx_v_size == -1LL) != 0);
>       |                              ^~
> yt/geometry/grid_container.c: In function ‘__pyx_pf_2yt_8geometry_14grid_container_8GridTree_17select_fwidth’:
> yt/geometry/grid_container.c:7296:30: warning: comparison of integer expressions of different signedness: ‘__pyx_t_5numpy_uint64_t’ {aka ‘long unsigned int’} and ‘long long int’ [-Wsign-compare]
>  7296 |   __pyx_t_1 = ((__pyx_v_size == -1LL) != 0);
>       |                              ^~
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/geometry/grid_container.o -lm -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry/grid_container.cpython-38-x86_64-linux-gnu.so
> building 'yt.geometry.oct_container' extension
> creating build/temp.linux-x86_64-3.8/yt/utilities
> creating build/temp.linux-x86_64-3.8/yt/utilities/lib
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iyt/utilities/lib -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/geometry/oct_container.c -o build/temp.linux-x86_64-3.8/yt/geometry/oct_container.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from /usr/include/python3.8/numpy/arrayobject.h:4,
>                  from yt/geometry/oct_container.c:632:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> yt/geometry/oct_container.c: In function ‘__pyx_pf_2yt_8geometry_13oct_container_15OctreeContainer_38finalize’:
> yt/geometry/oct_container.c:14207:103: warning: comparison of integer expressions of different signedness: ‘__pyx_t_5numpy_int64_t’ {aka ‘long int’} and ‘__pyx_t_5numpy_uint64_t’ {aka ‘long unsigned int’} [-Wsign-compare]
> 14207 |     if (unlikely(!((((__pyx_v_visitor->__pyx_base.global_index + 1) * __pyx_v_visitor->__pyx_base.nz) == __pyx_v_visitor->__pyx_base.index) != 0))) {
>       |                                                                                                       ^~
> yt/geometry/oct_container.c:827:43: note: in definition of macro ‘unlikely’
>   827 |   #define unlikely(x) __builtin_expect(!!(x), 0)
>       |                                           ^
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iyt/utilities/lib -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/utilities/lib/tsearch.c -o build/temp.linux-x86_64-3.8/yt/utilities/lib/tsearch.o
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/geometry/oct_container.o build/temp.linux-x86_64-3.8/yt/utilities/lib/tsearch.o -lm -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry/oct_container.cpython-38-x86_64-linux-gnu.so
> building 'yt.geometry.oct_visitors' extension
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iyt/utilities/lib/ -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/geometry/oct_visitors.c -o build/temp.linux-x86_64-3.8/yt/geometry/oct_visitors.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from /usr/include/python3.8/numpy/arrayobject.h:4,
>                  from yt/geometry/oct_visitors.c:631:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> yt/geometry/oct_visitors.c: In function ‘__pyx_f_2yt_8geometry_12oct_visitors_14CountTotalOcts_visit’:
> yt/geometry/oct_visitors.c:5655:47: warning: comparison of integer expressions of different signedness: ‘__pyx_t_5numpy_uint64_t’ {aka ‘long unsigned int’} and ‘__pyx_t_5numpy_int64_t’ {aka ‘long int’} [-Wsign-compare]
>  5655 |   __pyx_t_1 = ((__pyx_v_self->__pyx_base.last != __pyx_v_o->domain_ind) != 0);
>       |                                               ^~
> yt/geometry/oct_visitors.c: In function ‘__pyx_f_2yt_8geometry_12oct_visitors_8MarkOcts_visit’:
> yt/geometry/oct_visitors.c:6466:47: warning: comparison of integer expressions of different signedness: ‘__pyx_t_5numpy_uint64_t’ {aka ‘long unsigned int’} and ‘__pyx_t_5numpy_int64_t’ {aka ‘long int’} [-Wsign-compare]
>  6466 |   __pyx_t_1 = ((__pyx_v_self->__pyx_base.last != __pyx_v_o->domain_ind) != 0);
>       |                                               ^~
> yt/geometry/oct_visitors.c: In function ‘__pyx_f_2yt_8geometry_12oct_visitors_9IndexOcts_visit’:
> yt/geometry/oct_visitors.c:7326:47: warning: comparison of integer expressions of different signedness: ‘__pyx_t_5numpy_uint64_t’ {aka ‘long unsigned int’} and ‘__pyx_t_5numpy_int64_t’ {aka ‘long int’} [-Wsign-compare]
>  7326 |   __pyx_t_1 = ((__pyx_v_self->__pyx_base.last != __pyx_v_o->domain_ind) != 0);
>       |                                               ^~
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/geometry/oct_visitors.o -lm -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry/oct_visitors.cpython-38-x86_64-linux-gnu.so
> building 'yt.geometry.particle_oct_container' extension
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iyt/utilities/lib/ -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/geometry/particle_oct_container.c -o build/temp.linux-x86_64-3.8/yt/geometry/particle_oct_container.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from /usr/include/python3.8/numpy/arrayobject.h:4,
>                  from yt/geometry/particle_oct_container.c:631:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> yt/geometry/particle_oct_container.c: In function ‘__pyx_pf_2yt_8geometry_22particle_oct_container_23ParticleOctreeContainer_13add’:
> yt/geometry/particle_oct_container.c:5901:33: warning: comparison of integer expressions of different signedness: ‘__pyx_t_5numpy_int64_t’ {aka ‘long int’} and ‘__pyx_t_5numpy_uint64_t’ {aka ‘long unsigned int’} [-Wsign-compare]
>  5901 |     __pyx_t_1 = ((__pyx_v_index == __pyx_v_FLAG) != 0);
>       |                                 ^~
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/geometry/particle_oct_container.o -lm -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry/particle_oct_container.cpython-38-x86_64-linux-gnu.so
> building 'yt.geometry.selection_routines' extension
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iyt/utilities/lib/ -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/geometry/selection_routines.c -o build/temp.linux-x86_64-3.8/yt/geometry/selection_routines.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from /usr/include/python3.8/numpy/arrayobject.h:4,
>                  from yt/geometry/selection_routines.c:631:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/geometry/selection_routines.o -lm -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry/selection_routines.cpython-38-x86_64-linux-gnu.so
> building 'yt.geometry.particle_deposit' extension
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iyt/utilities/lib/ -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/geometry/particle_deposit.c -o build/temp.linux-x86_64-3.8/yt/geometry/particle_deposit.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from /usr/include/python3.8/numpy/arrayobject.h:4,
>                  from yt/geometry/particle_deposit.c:632:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/geometry/particle_deposit.o -lm -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry/particle_deposit.cpython-38-x86_64-linux-gnu.so
> building 'yt.geometry.particle_smooth' extension
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iyt/utilities/lib/ -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/geometry/particle_smooth.c -o build/temp.linux-x86_64-3.8/yt/geometry/particle_smooth.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from /usr/include/python3.8/numpy/arrayobject.h:4,
>                  from yt/geometry/particle_smooth.c:632:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> yt/geometry/particle_smooth.c: In function ‘__pyx_f_2yt_8geometry_15particle_smooth_23ParticleSmoothOperation_neighbor_process’:
> yt/geometry/particle_smooth.c:9550:23: warning: ‘__pyx_v_nneighbors’ may be used uninitialized in this function [-Wmaybe-uninitialized]
>  9550 |         __pyx_t_10 = ((struct __pyx_vtabstruct_2yt_8geometry_15particle_smooth_ParticleSmoothOperation *)__pyx_v_self->__pyx_vtab)->neighbor_search(__pyx_v_self, __pyx_v_opos, __pyx_v_octree, __pyx_v_nind, __pyx_v_nsize, __pyx_v_nneighbors, __pyx_v_domain_id, &__pyx_t_11);
>       |                      ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/geometry/particle_smooth.o -lm -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry/particle_smooth.cpython-38-x86_64-linux-gnu.so
> building 'yt.geometry.fake_octree' extension
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iyt/utilities/lib/ -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/geometry/fake_octree.c -o build/temp.linux-x86_64-3.8/yt/geometry/fake_octree.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from /usr/include/python3.8/numpy/arrayobject.h:4,
>                  from yt/geometry/fake_octree.c:632:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/geometry/fake_octree.o -lm -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry/fake_octree.cpython-38-x86_64-linux-gnu.so
> building 'yt.utilities.lib.autogenerated_element_samplers' extension
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iyt/utilities/lib/ -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/utilities/lib/autogenerated_element_samplers.c -o build/temp.linux-x86_64-3.8/yt/utilities/lib/autogenerated_element_samplers.o
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/utilities/lib/autogenerated_element_samplers.o -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/autogenerated_element_samplers.cpython-38-x86_64-linux-gnu.so
> building 'yt.utilities.lib.bitarray' extension
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/utilities/lib/bitarray.c -o build/temp.linux-x86_64-3.8/yt/utilities/lib/bitarray.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from /usr/include/python3.8/numpy/arrayobject.h:4,
>                  from yt/utilities/lib/bitarray.c:626:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/utilities/lib/bitarray.o -lm -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/bitarray.cpython-38-x86_64-linux-gnu.so
> building 'yt.utilities.lib.bounding_volume_hierarchy' extension
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iyt/utilities/lib -Iyt/utilities/lib/ -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/utilities/lib/bounding_volume_hierarchy.c -o build/temp.linux-x86_64-3.8/yt/utilities/lib/bounding_volume_hierarchy.o -fopenmp
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from /usr/include/python3.8/numpy/arrayobject.h:4,
>                  from yt/utilities/lib/bounding_volume_hierarchy.c:639:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/utilities/lib/bounding_volume_hierarchy.o -lm -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/bounding_volume_hierarchy.cpython-38-x86_64-linux-gnu.so -fopenmp
> building 'yt.utilities.lib.contour_finding' extension
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iyt/utilities/lib/ -Iyt/geometry/ -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/utilities/lib/contour_finding.c -o build/temp.linux-x86_64-3.8/yt/utilities/lib/contour_finding.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from /usr/include/python3.8/numpy/arrayobject.h:4,
>                  from yt/utilities/lib/contour_finding.c:632:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/utilities/lib/contour_finding.o -lm -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/contour_finding.cpython-38-x86_64-linux-gnu.so
> building 'yt.utilities.lib.fnv_hash' extension
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iyt/utilities/lib/ -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/utilities/lib/fnv_hash.c -o build/temp.linux-x86_64-3.8/yt/utilities/lib/fnv_hash.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from /usr/include/python3.8/numpy/arrayobject.h:4,
>                  from yt/utilities/lib/fnv_hash.c:629:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/utilities/lib/fnv_hash.o -lm -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/fnv_hash.cpython-38-x86_64-linux-gnu.so
> building 'yt.utilities.lib.geometry_utils' extension
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iyt/utilities/lib -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/utilities/lib/geometry_utils.c -o build/temp.linux-x86_64-3.8/yt/utilities/lib/geometry_utils.o -fopenmp
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from /usr/include/python3.8/numpy/arrayobject.h:4,
>                  from yt/utilities/lib/geometry_utils.c:637:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/utilities/lib/geometry_utils.o -lm -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/geometry_utils.cpython-38-x86_64-linux-gnu.so -fopenmp
> building 'yt.utilities.lib.marching_cubes' extension
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iyt/utilities/lib -I./yt/utilities/lib -Iyt/utilities/lib/ -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/utilities/lib/marching_cubes.c -o build/temp.linux-x86_64-3.8/yt/utilities/lib/marching_cubes.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from /usr/include/python3.8/numpy/arrayobject.h:4,
>                  from yt/utilities/lib/marching_cubes.c:635:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> yt/utilities/lib/marching_cubes.c:2113:12: warning: ‘__pyx_f_2yt_9utilities_3lib_14marching_cubes_CountTriangles’ defined but not used [-Wunused-function]
>  2113 | static int __pyx_f_2yt_9utilities_3lib_14marching_cubes_CountTriangles(struct __pyx_t_2yt_9utilities_3lib_14marching_cubes_Triangle *__pyx_v_first) {
>       |            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iyt/utilities/lib -I./yt/utilities/lib -Iyt/utilities/lib/ -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/utilities/lib/fixed_interpolator.c -o build/temp.linux-x86_64-3.8/yt/utilities/lib/fixed_interpolator.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from yt/utilities/lib/fixed_interpolator.h:20,
>                  from yt/utilities/lib/fixed_interpolator.c:14:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> yt/utilities/lib/fixed_interpolator.c: In function ‘offset_interpolate’:
> yt/utilities/lib/fixed_interpolator.c:41:9: warning: unused variable ‘i’ [-Wunused-variable]
>    41 |     int i;
>       |         ^
> In file included from /usr/include/python3.8/numpy/ndarrayobject.h:21,
>                  from yt/utilities/lib/fixed_interpolator.h:20,
>                  from yt/utilities/lib/fixed_interpolator.c:14:
> At top level:
> /usr/include/python3.8/numpy/__multiarray_api.h:1463:1: warning: ‘_import_array’ defined but not used [-Wunused-function]
>  1463 | _import_array(void)
>       | ^~~~~~~~~~~~~
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/utilities/lib/marching_cubes.o build/temp.linux-x86_64-3.8/yt/utilities/lib/fixed_interpolator.o -lm -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/marching_cubes.cpython-38-x86_64-linux-gnu.so
> building 'yt.utilities.lib.mesh_triangulation' extension
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iyt/utilities/lib -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/utilities/lib/mesh_triangulation.c -o build/temp.linux-x86_64-3.8/yt/utilities/lib/mesh_triangulation.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from /usr/include/python3.8/numpy/arrayobject.h:4,
>                  from yt/utilities/lib/mesh_triangulation.c:628:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/utilities/lib/mesh_triangulation.o -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/mesh_triangulation.cpython-38-x86_64-linux-gnu.so
> building 'yt.utilities.lib.pixelization_routines' extension
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iyt/utilities/lib -Iyt/utilities/lib/ -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/utilities/lib/pixelization_routines.c -o build/temp.linux-x86_64-3.8/yt/utilities/lib/pixelization_routines.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from /usr/include/python3.8/numpy/arrayobject.h:4,
>                  from yt/utilities/lib/pixelization_routines.c:633:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> yt/utilities/lib/pixelization_routines.c:9049:12: warning: ‘__pyx_f_2yt_9utilities_3lib_21pixelization_routines_check_face_dot’ defined but not used [-Wunused-function]
>  9049 | static int __pyx_f_2yt_9utilities_3lib_21pixelization_routines_check_face_dot(int __pyx_v_nvertices, __pyx_t_5numpy_float64_t *__pyx_v_point, __pyx_t_5numpy_float64_t **__pyx_v_vertices, __pyx_t_5numpy_int8_t *__pyx_v_signs, int __pyx_v_match) {
>       |            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iyt/utilities/lib -Iyt/utilities/lib/ -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/utilities/lib/pixelization_constants.c -o build/temp.linux-x86_64-3.8/yt/utilities/lib/pixelization_constants.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from yt/utilities/lib/pixelization_constants.h:20,
>                  from yt/utilities/lib/pixelization_constants.c:13:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> In file included from /usr/include/python3.8/numpy/ndarrayobject.h:21,
>                  from yt/utilities/lib/pixelization_constants.h:20,
>                  from yt/utilities/lib/pixelization_constants.c:13:
> /usr/include/python3.8/numpy/__multiarray_api.h:1463:1: warning: ‘_import_array’ defined but not used [-Wunused-function]
>  1463 | _import_array(void)
>       | ^~~~~~~~~~~~~
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/utilities/lib/pixelization_routines.o build/temp.linux-x86_64-3.8/yt/utilities/lib/pixelization_constants.o -lm -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/pixelization_routines.cpython-38-x86_64-linux-gnu.so
> building 'yt.utilities.lib.primitives' extension
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iyt/utilities/lib -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/utilities/lib/primitives.c -o build/temp.linux-x86_64-3.8/yt/utilities/lib/primitives.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from /usr/include/python3.8/numpy/arrayobject.h:4,
>                  from yt/utilities/lib/primitives.c:631:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/utilities/lib/primitives.o -lm -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/primitives.cpython-38-x86_64-linux-gnu.so
> building 'yt.utilities.lib.cosmology_time' extension
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/utilities/lib/cosmology_time.c -o build/temp.linux-x86_64-3.8/yt/utilities/lib/cosmology_time.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from /usr/include/python3.8/numpy/arrayobject.h:4,
>                  from yt/utilities/lib/cosmology_time.c:623:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/utilities/lib/cosmology_time.o -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/cosmology_time.cpython-38-x86_64-linux-gnu.so
> building 'yt.utilities.lib.origami' extension
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iyt/utilities/lib -Iyt/utilities/lib/ -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/utilities/lib/origami.c -o build/temp.linux-x86_64-3.8/yt/utilities/lib/origami.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from /usr/include/python3.8/numpy/arrayobject.h:4,
>                  from yt/utilities/lib/origami.c:630:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iyt/utilities/lib -Iyt/utilities/lib/ -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/utilities/lib/origami_tags.c -o build/temp.linux-x86_64-3.8/yt/utilities/lib/origami_tags.o
> yt/utilities/lib/origami_tags.c: In function ‘compute_tags’:
> yt/utilities/lib/origami_tags.c:37:5: warning: this ‘if’ clause does not guard... [-Wmisleading-indentation]
>    37 |     if (r[0][i]<xmin) xmin = r[0][i]; if (r[0][i]>xmax) xmax = r[0][i];
>       |     ^~
> yt/utilities/lib/origami_tags.c:37:39: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘if’
>    37 |     if (r[0][i]<xmin) xmin = r[0][i]; if (r[0][i]>xmax) xmax = r[0][i];
>       |                                       ^~
> yt/utilities/lib/origami_tags.c:38:5: warning: this ‘if’ clause does not guard... [-Wmisleading-indentation]
>    38 |     if (r[1][i]<ymin) ymin = r[1][i]; if (r[1][i]>ymax) ymax = r[1][i];
>       |     ^~
> yt/utilities/lib/origami_tags.c:38:39: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘if’
>    38 |     if (r[1][i]<ymin) ymin = r[1][i]; if (r[1][i]>ymax) ymax = r[1][i];
>       |                                       ^~
> yt/utilities/lib/origami_tags.c:39:5: warning: this ‘if’ clause does not guard... [-Wmisleading-indentation]
>    39 |     if (r[2][i]<zmin) zmin = r[2][i]; if (r[2][i]>zmax) zmax = r[2][i];
>       |     ^~
> yt/utilities/lib/origami_tags.c:39:39: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘if’
>    39 |     if (r[2][i]<zmin) zmin = r[2][i]; if (r[2][i]>zmax) zmax = r[2][i];
>       |                                       ^~
> yt/utilities/lib/origami_tags.c:20:7: warning: variable ‘ng2’ set but not used [-Wunused-but-set-variable]
>    20 |   int ng2,ng4, h, i,i2, x,y,z,nhalo,nhalo0,nhalo1,nhalo2,nhaloany;
>       |       ^~~
> yt/utilities/lib/origami_tags.c:17:10: warning: unused variable ‘predict’ [-Wunused-variable]
>    17 |   double predict, xmin,xmax,ymin,ymax,zmin,zmax;
>       |          ^~~~~~~
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/utilities/lib/origami.o build/temp.linux-x86_64-3.8/yt/utilities/lib/origami_tags.o -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/origami.cpython-38-x86_64-linux-gnu.so
> building 'yt.utilities.lib.grid_traversal' extension
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I./yt/utilities/lib -Iyt/utilities/lib/ -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/utilities/lib/grid_traversal.c -o build/temp.linux-x86_64-3.8/yt/utilities/lib/grid_traversal.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from /usr/include/python3.8/numpy/arrayobject.h:4,
>                  from yt/utilities/lib/grid_traversal.c:633:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I./yt/utilities/lib -Iyt/utilities/lib/ -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/utilities/lib/fixed_interpolator.c -o build/temp.linux-x86_64-3.8/yt/utilities/lib/fixed_interpolator.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from yt/utilities/lib/fixed_interpolator.h:20,
>                  from yt/utilities/lib/fixed_interpolator.c:14:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> yt/utilities/lib/fixed_interpolator.c: In function ‘offset_interpolate’:
> yt/utilities/lib/fixed_interpolator.c:41:9: warning: unused variable ‘i’ [-Wunused-variable]
>    41 |     int i;
>       |         ^
> In file included from /usr/include/python3.8/numpy/ndarrayobject.h:21,
>                  from yt/utilities/lib/fixed_interpolator.h:20,
>                  from yt/utilities/lib/fixed_interpolator.c:14:
> At top level:
> /usr/include/python3.8/numpy/__multiarray_api.h:1463:1: warning: ‘_import_array’ defined but not used [-Wunused-function]
>  1463 | _import_array(void)
>       | ^~~~~~~~~~~~~
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/utilities/lib/grid_traversal.o build/temp.linux-x86_64-3.8/yt/utilities/lib/fixed_interpolator.o -lm -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/grid_traversal.cpython-38-x86_64-linux-gnu.so
> building 'yt.utilities.lib.image_samplers' extension
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iyt/utilities/lib -I./yt/utilities/lib -Iyt/utilities/lib/ -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/utilities/lib/image_samplers.c -o build/temp.linux-x86_64-3.8/yt/utilities/lib/image_samplers.o -fopenmp
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from /usr/include/python3.8/numpy/arrayobject.h:4,
>                  from yt/utilities/lib/image_samplers.c:641:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iyt/utilities/lib -I./yt/utilities/lib -Iyt/utilities/lib/ -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/utilities/lib/fixed_interpolator.c -o build/temp.linux-x86_64-3.8/yt/utilities/lib/fixed_interpolator.o -fopenmp
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from yt/utilities/lib/fixed_interpolator.h:20,
>                  from yt/utilities/lib/fixed_interpolator.c:14:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> yt/utilities/lib/fixed_interpolator.c: In function ‘offset_interpolate’:
> yt/utilities/lib/fixed_interpolator.c:41:9: warning: unused variable ‘i’ [-Wunused-variable]
>    41 |     int i;
>       |         ^
> In file included from /usr/include/python3.8/numpy/ndarrayobject.h:21,
>                  from yt/utilities/lib/fixed_interpolator.h:20,
>                  from yt/utilities/lib/fixed_interpolator.c:14:
> At top level:
> /usr/include/python3.8/numpy/__multiarray_api.h:1463:1: warning: ‘_import_array’ defined but not used [-Wunused-function]
>  1463 | _import_array(void)
>       | ^~~~~~~~~~~~~
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/utilities/lib/image_samplers.o build/temp.linux-x86_64-3.8/yt/utilities/lib/fixed_interpolator.o -lm -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/image_samplers.cpython-38-x86_64-linux-gnu.so -fopenmp
> building 'yt.utilities.lib.partitioned_grid' extension
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I./yt/utilities/lib -Iyt/utilities/lib/ -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/utilities/lib/partitioned_grid.c -o build/temp.linux-x86_64-3.8/yt/utilities/lib/partitioned_grid.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from /usr/include/python3.8/numpy/arrayobject.h:4,
>                  from yt/utilities/lib/partitioned_grid.c:633:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I./yt/utilities/lib -Iyt/utilities/lib/ -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/utilities/lib/fixed_interpolator.c -o build/temp.linux-x86_64-3.8/yt/utilities/lib/fixed_interpolator.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from yt/utilities/lib/fixed_interpolator.h:20,
>                  from yt/utilities/lib/fixed_interpolator.c:14:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> yt/utilities/lib/fixed_interpolator.c: In function ‘offset_interpolate’:
> yt/utilities/lib/fixed_interpolator.c:41:9: warning: unused variable ‘i’ [-Wunused-variable]
>    41 |     int i;
>       |         ^
> In file included from /usr/include/python3.8/numpy/ndarrayobject.h:21,
>                  from yt/utilities/lib/fixed_interpolator.h:20,
>                  from yt/utilities/lib/fixed_interpolator.c:14:
> At top level:
> /usr/include/python3.8/numpy/__multiarray_api.h:1463:1: warning: ‘_import_array’ defined but not used [-Wunused-function]
>  1463 | _import_array(void)
>       | ^~~~~~~~~~~~~
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/utilities/lib/partitioned_grid.o build/temp.linux-x86_64-3.8/yt/utilities/lib/fixed_interpolator.o -lm -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/partitioned_grid.cpython-38-x86_64-linux-gnu.so
> building 'yt.utilities.lib.element_mappings' extension
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iyt/utilities/lib -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/utilities/lib/element_mappings.c -o build/temp.linux-x86_64-3.8/yt/utilities/lib/element_mappings.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from /usr/include/python3.8/numpy/arrayobject.h:4,
>                  from yt/utilities/lib/element_mappings.c:631:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/utilities/lib/element_mappings.o -lm -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/element_mappings.cpython-38-x86_64-linux-gnu.so
> building 'yt.utilities.lib.alt_ray_tracers' extension
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/utilities/lib/alt_ray_tracers.c -o build/temp.linux-x86_64-3.8/yt/utilities/lib/alt_ray_tracers.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from /usr/include/python3.8/numpy/arrayobject.h:4,
>                  from yt/utilities/lib/alt_ray_tracers.c:626:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/utilities/lib/alt_ray_tracers.o -lm -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/alt_ray_tracers.cpython-38-x86_64-linux-gnu.so
> building 'yt.utilities.lib.misc_utilities' extension
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iyt/utilities/lib -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/utilities/lib/misc_utilities.c -o build/temp.linux-x86_64-3.8/yt/utilities/lib/misc_utilities.o -fopenmp
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from /usr/include/python3.8/numpy/arrayobject.h:4,
>                  from yt/utilities/lib/misc_utilities.c:637:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/utilities/lib/misc_utilities.o -lm -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/misc_utilities.cpython-38-x86_64-linux-gnu.so -fopenmp
> building 'yt.frontends.ramses.io_utils' extension
> creating build/temp.linux-x86_64-3.8/yt/frontends
> creating build/temp.linux-x86_64-3.8/yt/frontends/ramses
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iyt/utilities/lib -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/frontends/ramses/io_utils.c -o build/temp.linux-x86_64-3.8/yt/frontends/ramses/io_utils.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from /usr/include/python3.8/numpy/arrayobject.h:4,
>                  from yt/frontends/ramses/io_utils.c:631:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/frontends/ramses/io_utils.o -lm -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/ramses/io_utils.cpython-38-x86_64-linux-gnu.so
> building 'yt.utilities.cython_fortran_utils' extension
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/utilities/cython_fortran_utils.c -o build/temp.linux-x86_64-3.8/yt/utilities/cython_fortran_utils.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from /usr/include/python3.8/numpy/arrayobject.h:4,
>                  from yt/utilities/cython_fortran_utils.c:626:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/utilities/cython_fortran_utils.o -lm -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/cython_fortran_utils.cpython-38-x86_64-linux-gnu.so
> building 'yt.utilities.lib.particle_mesh_operations' extension
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/utilities/lib/particle_mesh_operations.c -o build/temp.linux-x86_64-3.8/yt/utilities/lib/particle_mesh_operations.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from /usr/include/python3.8/numpy/arrayobject.h:4,
>                  from yt/utilities/lib/particle_mesh_operations.c:626:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> yt/utilities/lib/particle_mesh_operations.c: In function ‘__pyx_pw_2yt_9utilities_3lib_24particle_mesh_operations_5NGPDeposit_2’:
> yt/utilities/lib/particle_mesh_operations.c:4386:16: warning: ‘__pyx_v_j1’ may be used uninitialized in this function [-Wmaybe-uninitialized]
>  4386 |     __pyx_t_14 = __pyx_v_j1;
>       |     ~~~~~~~~~~~^~~~~~~~~~~~
> yt/utilities/lib/particle_mesh_operations.c:4097:7: note: ‘__pyx_v_j1’ was declared here
>  4097 |   int __pyx_v_j1;
>       |       ^~~~~~~~~~
> yt/utilities/lib/particle_mesh_operations.c:4385:16: warning: ‘__pyx_v_i1’ may be used uninitialized in this function [-Wmaybe-uninitialized]
>  4385 |     __pyx_t_13 = __pyx_v_i1;
>       |     ~~~~~~~~~~~^~~~~~~~~~~~
> yt/utilities/lib/particle_mesh_operations.c:4096:7: note: ‘__pyx_v_i1’ was declared here
>  4096 |   int __pyx_v_i1;
>       |       ^~~~~~~~~~
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/utilities/lib/particle_mesh_operations.o -lm -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/particle_mesh_operations.cpython-38-x86_64-linux-gnu.so
> building 'yt.utilities.lib.depth_first_octree' extension
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/utilities/lib/depth_first_octree.c -o build/temp.linux-x86_64-3.8/yt/utilities/lib/depth_first_octree.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from /usr/include/python3.8/numpy/arrayobject.h:4,
>                  from yt/utilities/lib/depth_first_octree.c:626:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/utilities/lib/depth_first_octree.o -lm -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/depth_first_octree.cpython-38-x86_64-linux-gnu.so
> building 'yt.utilities.lib.fortran_reader' extension
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iyt/utilities/lib -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/utilities/lib/fortran_reader.c -o build/temp.linux-x86_64-3.8/yt/utilities/lib/fortran_reader.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from /usr/include/python3.8/numpy/arrayobject.h:4,
>                  from yt/utilities/lib/fortran_reader.c:632:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> In file included from yt/utilities/lib/fortran_reader.c:635:
> yt/utilities/lib/fortran_reader.c: In function ‘__pyx_pf_2yt_9utilities_3lib_14fortran_reader_4read_art_tree’:
> yt/utilities/lib/endian_swap.h:13:23: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
>    13 | #define FIX_LONG(x) (*(unsigned *)&(x) = SWAP_4(*(unsigned *)&(x)))
>       |                       ^~~~~~~~~~~~~~~~
> yt/utilities/lib/fortran_reader.c:3396:5: note: in expansion of macro ‘FIX_LONG’
>  3396 |     FIX_LONG(__pyx_v_next_record);
>       |     ^~~~~~~~
> yt/utilities/lib/endian_swap.h:13:50: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
>    13 | #define FIX_LONG(x) (*(unsigned *)&(x) = SWAP_4(*(unsigned *)&(x)))
>       |                                                  ^~~~~~~~~~~~~~~~
> yt/utilities/lib/endian_swap.h:10:23: note: in definition of macro ‘SWAP_4’
>    10 | #define SWAP_4(x) ( ((x) << 24) | (((x) << 8) & 0x00ff0000) | \
>       |                       ^
> yt/utilities/lib/fortran_reader.c:3396:5: note: in expansion of macro ‘FIX_LONG’
>  3396 |     FIX_LONG(__pyx_v_next_record);
>       |     ^~~~~~~~
> yt/utilities/lib/endian_swap.h:13:50: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
>    13 | #define FIX_LONG(x) (*(unsigned *)&(x) = SWAP_4(*(unsigned *)&(x)))
>       |                                                  ^~~~~~~~~~~~~~~~
> yt/utilities/lib/endian_swap.h:10:38: note: in definition of macro ‘SWAP_4’
>    10 | #define SWAP_4(x) ( ((x) << 24) | (((x) << 8) & 0x00ff0000) | \
>       |                                      ^
> yt/utilities/lib/fortran_reader.c:3396:5: note: in expansion of macro ‘FIX_LONG’
>  3396 |     FIX_LONG(__pyx_v_next_record);
>       |     ^~~~~~~~
> yt/utilities/lib/endian_swap.h:13:50: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
>    13 | #define FIX_LONG(x) (*(unsigned *)&(x) = SWAP_4(*(unsigned *)&(x)))
>       |                                                  ^~~~~~~~~~~~~~~~
> yt/utilities/lib/endian_swap.h:11:13: note: in definition of macro ‘SWAP_4’
>    11 |          (((x) >> 8) & 0x0000ff00) | ((x) >> 24) )
>       |             ^
> yt/utilities/lib/fortran_reader.c:3396:5: note: in expansion of macro ‘FIX_LONG’
>  3396 |     FIX_LONG(__pyx_v_next_record);
>       |     ^~~~~~~~
> yt/utilities/lib/endian_swap.h:13:50: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
>    13 | #define FIX_LONG(x) (*(unsigned *)&(x) = SWAP_4(*(unsigned *)&(x)))
>       |                                                  ^~~~~~~~~~~~~~~~
> yt/utilities/lib/endian_swap.h:11:40: note: in definition of macro ‘SWAP_4’
>    11 |          (((x) >> 8) & 0x0000ff00) | ((x) >> 24) )
>       |                                        ^
> yt/utilities/lib/fortran_reader.c:3396:5: note: in expansion of macro ‘FIX_LONG’
>  3396 |     FIX_LONG(__pyx_v_next_record);
>       |     ^~~~~~~~
> yt/utilities/lib/fortran_reader.c: In function ‘__pyx_pf_2yt_9utilities_3lib_14fortran_reader_6read_art_root_vars’:
> yt/utilities/lib/endian_swap.h:13:23: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
>    13 | #define FIX_LONG(x) (*(unsigned *)&(x) = SWAP_4(*(unsigned *)&(x)))
>       |                       ^~~~~~~~~~~~~~~~
> yt/utilities/lib/endian_swap.h:14:22: note: in expansion of macro ‘FIX_LONG’
>    14 | #define FIX_FLOAT(x) FIX_LONG(x)
>       |                      ^~~~~~~~
> yt/utilities/lib/fortran_reader.c:3834:7: note: in expansion of macro ‘FIX_FLOAT’
>  3834 |       FIX_FLOAT(__pyx_v_temp);
>       |       ^~~~~~~~~
> yt/utilities/lib/endian_swap.h:13:50: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
>    13 | #define FIX_LONG(x) (*(unsigned *)&(x) = SWAP_4(*(unsigned *)&(x)))
>       |                                                  ^~~~~~~~~~~~~~~~
> yt/utilities/lib/endian_swap.h:10:23: note: in definition of macro ‘SWAP_4’
>    10 | #define SWAP_4(x) ( ((x) << 24) | (((x) << 8) & 0x00ff0000) | \
>       |                       ^
> yt/utilities/lib/endian_swap.h:14:22: note: in expansion of macro ‘FIX_LONG’
>    14 | #define FIX_FLOAT(x) FIX_LONG(x)
>       |                      ^~~~~~~~
> yt/utilities/lib/fortran_reader.c:3834:7: note: in expansion of macro ‘FIX_FLOAT’
>  3834 |       FIX_FLOAT(__pyx_v_temp);
>       |       ^~~~~~~~~
> yt/utilities/lib/endian_swap.h:13:50: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
>    13 | #define FIX_LONG(x) (*(unsigned *)&(x) = SWAP_4(*(unsigned *)&(x)))
>       |                                                  ^~~~~~~~~~~~~~~~
> yt/utilities/lib/endian_swap.h:10:38: note: in definition of macro ‘SWAP_4’
>    10 | #define SWAP_4(x) ( ((x) << 24) | (((x) << 8) & 0x00ff0000) | \
>       |                                      ^
> yt/utilities/lib/endian_swap.h:14:22: note: in expansion of macro ‘FIX_LONG’
>    14 | #define FIX_FLOAT(x) FIX_LONG(x)
>       |                      ^~~~~~~~
> yt/utilities/lib/fortran_reader.c:3834:7: note: in expansion of macro ‘FIX_FLOAT’
>  3834 |       FIX_FLOAT(__pyx_v_temp);
>       |       ^~~~~~~~~
> yt/utilities/lib/endian_swap.h:13:50: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
>    13 | #define FIX_LONG(x) (*(unsigned *)&(x) = SWAP_4(*(unsigned *)&(x)))
>       |                                                  ^~~~~~~~~~~~~~~~
> yt/utilities/lib/endian_swap.h:11:13: note: in definition of macro ‘SWAP_4’
>    11 |          (((x) >> 8) & 0x0000ff00) | ((x) >> 24) )
>       |             ^
> yt/utilities/lib/endian_swap.h:14:22: note: in expansion of macro ‘FIX_LONG’
>    14 | #define FIX_FLOAT(x) FIX_LONG(x)
>       |                      ^~~~~~~~
> yt/utilities/lib/fortran_reader.c:3834:7: note: in expansion of macro ‘FIX_FLOAT’
>  3834 |       FIX_FLOAT(__pyx_v_temp);
>       |       ^~~~~~~~~
> yt/utilities/lib/endian_swap.h:13:50: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
>    13 | #define FIX_LONG(x) (*(unsigned *)&(x) = SWAP_4(*(unsigned *)&(x)))
>       |                                                  ^~~~~~~~~~~~~~~~
> yt/utilities/lib/endian_swap.h:11:40: note: in definition of macro ‘SWAP_4’
>    11 |          (((x) >> 8) & 0x0000ff00) | ((x) >> 24) )
>       |                                        ^
> yt/utilities/lib/endian_swap.h:14:22: note: in expansion of macro ‘FIX_LONG’
>    14 | #define FIX_FLOAT(x) FIX_LONG(x)
>       |                      ^~~~~~~~
> yt/utilities/lib/fortran_reader.c:3834:7: note: in expansion of macro ‘FIX_FLOAT’
>  3834 |       FIX_FLOAT(__pyx_v_temp);
>       |       ^~~~~~~~~
> yt/utilities/lib/fortran_reader.c: In function ‘__pyx_f_2yt_9utilities_3lib_14fortran_reader_read_art_vars’:
> yt/utilities/lib/endian_swap.h:13:23: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
>    13 | #define FIX_LONG(x) (*(unsigned *)&(x) = SWAP_4(*(unsigned *)&(x)))
>       |                       ^~~~~~~~~~~~~~~~
> yt/utilities/lib/endian_swap.h:14:22: note: in expansion of macro ‘FIX_LONG’
>    14 | #define FIX_FLOAT(x) FIX_LONG(x)
>       |                      ^~~~~~~~
> yt/utilities/lib/fortran_reader.c:4047:7: note: in expansion of macro ‘FIX_FLOAT’
>  4047 |       FIX_FLOAT(__pyx_v_temp);
>       |       ^~~~~~~~~
> yt/utilities/lib/endian_swap.h:13:50: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
>    13 | #define FIX_LONG(x) (*(unsigned *)&(x) = SWAP_4(*(unsigned *)&(x)))
>       |                                                  ^~~~~~~~~~~~~~~~
> yt/utilities/lib/endian_swap.h:10:23: note: in definition of macro ‘SWAP_4’
>    10 | #define SWAP_4(x) ( ((x) << 24) | (((x) << 8) & 0x00ff0000) | \
>       |                       ^
> yt/utilities/lib/endian_swap.h:14:22: note: in expansion of macro ‘FIX_LONG’
>    14 | #define FIX_FLOAT(x) FIX_LONG(x)
>       |                      ^~~~~~~~
> yt/utilities/lib/fortran_reader.c:4047:7: note: in expansion of macro ‘FIX_FLOAT’
>  4047 |       FIX_FLOAT(__pyx_v_temp);
>       |       ^~~~~~~~~
> yt/utilities/lib/endian_swap.h:13:50: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
>    13 | #define FIX_LONG(x) (*(unsigned *)&(x) = SWAP_4(*(unsigned *)&(x)))
>       |                                                  ^~~~~~~~~~~~~~~~
> yt/utilities/lib/endian_swap.h:10:38: note: in definition of macro ‘SWAP_4’
>    10 | #define SWAP_4(x) ( ((x) << 24) | (((x) << 8) & 0x00ff0000) | \
>       |                                      ^
> yt/utilities/lib/endian_swap.h:14:22: note: in expansion of macro ‘FIX_LONG’
>    14 | #define FIX_FLOAT(x) FIX_LONG(x)
>       |                      ^~~~~~~~
> yt/utilities/lib/fortran_reader.c:4047:7: note: in expansion of macro ‘FIX_FLOAT’
>  4047 |       FIX_FLOAT(__pyx_v_temp);
>       |       ^~~~~~~~~
> yt/utilities/lib/endian_swap.h:13:50: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
>    13 | #define FIX_LONG(x) (*(unsigned *)&(x) = SWAP_4(*(unsigned *)&(x)))
>       |                                                  ^~~~~~~~~~~~~~~~
> yt/utilities/lib/endian_swap.h:11:13: note: in definition of macro ‘SWAP_4’
>    11 |          (((x) >> 8) & 0x0000ff00) | ((x) >> 24) )
>       |             ^
> yt/utilities/lib/endian_swap.h:14:22: note: in expansion of macro ‘FIX_LONG’
>    14 | #define FIX_FLOAT(x) FIX_LONG(x)
>       |                      ^~~~~~~~
> yt/utilities/lib/fortran_reader.c:4047:7: note: in expansion of macro ‘FIX_FLOAT’
>  4047 |       FIX_FLOAT(__pyx_v_temp);
>       |       ^~~~~~~~~
> yt/utilities/lib/endian_swap.h:13:50: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
>    13 | #define FIX_LONG(x) (*(unsigned *)&(x) = SWAP_4(*(unsigned *)&(x)))
>       |                                                  ^~~~~~~~~~~~~~~~
> yt/utilities/lib/endian_swap.h:11:40: note: in definition of macro ‘SWAP_4’
>    11 |          (((x) >> 8) & 0x0000ff00) | ((x) >> 24) )
>       |                                        ^
> yt/utilities/lib/endian_swap.h:14:22: note: in expansion of macro ‘FIX_LONG’
>    14 | #define FIX_FLOAT(x) FIX_LONG(x)
>       |                      ^~~~~~~~
> yt/utilities/lib/fortran_reader.c:4047:7: note: in expansion of macro ‘FIX_FLOAT’
>  4047 |       FIX_FLOAT(__pyx_v_temp);
>       |       ^~~~~~~~~
> At top level:
> yt/utilities/lib/fortran_reader.c:3905:13: warning: ‘__pyx_f_2yt_9utilities_3lib_14fortran_reader_read_art_vars’ defined but not used [-Wunused-function]
>  3905 | static void __pyx_f_2yt_9utilities_3lib_14fortran_reader_read_art_vars(FILE *__pyx_v_f, CYTHON_UNUSED int __pyx_v_min_level, CYTHON_UNUSED int __pyx_v_max_level, int __pyx_v_nhydro_vars, int __pyx_v_grid_level, long __pyx_v_grid_id, CYTHON_UNUSED long __pyx_v_child_offset, PyObject *__pyx_v_fields, PyArrayObject *__pyx_v_level_offsets, PyObject *__pyx_v_var) {
>       |             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/utilities/lib/fortran_reader.o -lm -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/fortran_reader.cpython-38-x86_64-linux-gnu.so
> building 'yt.utilities.lib.interpolators' extension
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/utilities/lib/interpolators.c -o build/temp.linux-x86_64-3.8/yt/utilities/lib/interpolators.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from /usr/include/python3.8/numpy/arrayobject.h:4,
>                  from yt/utilities/lib/interpolators.c:626:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/utilities/lib/interpolators.o -lm -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/interpolators.cpython-38-x86_64-linux-gnu.so
> building 'yt.utilities.lib.basic_octree' extension
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iyt/utilities/lib -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/utilities/lib/basic_octree.c -o build/temp.linux-x86_64-3.8/yt/utilities/lib/basic_octree.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from /usr/include/python3.8/numpy/arrayobject.h:4,
>                  from yt/utilities/lib/basic_octree.c:631:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/utilities/lib/basic_octree.o -lm -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/basic_octree.cpython-38-x86_64-linux-gnu.so
> building 'yt.utilities.lib.image_utilities' extension
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/utilities/lib/image_utilities.c -o build/temp.linux-x86_64-3.8/yt/utilities/lib/image_utilities.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from /usr/include/python3.8/numpy/arrayobject.h:4,
>                  from yt/utilities/lib/image_utilities.c:626:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/utilities/lib/image_utilities.o -lm -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/image_utilities.cpython-38-x86_64-linux-gnu.so
> building 'yt.utilities.lib.points_in_volume' extension
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/utilities/lib/points_in_volume.c -o build/temp.linux-x86_64-3.8/yt/utilities/lib/points_in_volume.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from /usr/include/python3.8/numpy/arrayobject.h:4,
>                  from yt/utilities/lib/points_in_volume.c:626:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/utilities/lib/points_in_volume.o -lm -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/points_in_volume.cpython-38-x86_64-linux-gnu.so
> building 'yt.utilities.lib.quad_tree' extension
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iyt/utilities/lib -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/utilities/lib/quad_tree.c -o build/temp.linux-x86_64-3.8/yt/utilities/lib/quad_tree.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from /usr/include/python3.8/numpy/arrayobject.h:4,
>                  from yt/utilities/lib/quad_tree.c:631:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/utilities/lib/quad_tree.o -lm -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/quad_tree.cpython-38-x86_64-linux-gnu.so
> building 'yt.utilities.lib.mesh_utilities' extension
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iyt/utilities/lib -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/utilities/lib/mesh_utilities.c -o build/temp.linux-x86_64-3.8/yt/utilities/lib/mesh_utilities.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from /usr/include/python3.8/numpy/arrayobject.h:4,
>                  from yt/utilities/lib/mesh_utilities.c:631:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/utilities/lib/mesh_utilities.o -lm -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/mesh_utilities.cpython-38-x86_64-linux-gnu.so
> building 'yt.utilities.lib.amr_kdtools' extension
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/utilities/lib/amr_kdtools.c -o build/temp.linux-x86_64-3.8/yt/utilities/lib/amr_kdtools.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from /usr/include/python3.8/numpy/arrayobject.h:4,
>                  from yt/utilities/lib/amr_kdtools.c:626:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/utilities/lib/amr_kdtools.o -lm -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/amr_kdtools.cpython-38-x86_64-linux-gnu.so
> building 'yt.utilities.lib.lenses' extension
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I./yt/utilities/lib -Iyt/utilities/lib -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/utilities/lib/lenses.c -o build/temp.linux-x86_64-3.8/yt/utilities/lib/lenses.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from /usr/include/python3.8/numpy/arrayobject.h:4,
>                  from yt/utilities/lib/lenses.c:632:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/utilities/lib/lenses.o -lm -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/lenses.cpython-38-x86_64-linux-gnu.so
> building 'yt.utilities.lib.distance_queue' extension
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/utilities/lib/distance_queue.c -o build/temp.linux-x86_64-3.8/yt/utilities/lib/distance_queue.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from /usr/include/python3.8/numpy/arrayobject.h:4,
>                  from yt/utilities/lib/distance_queue.c:626:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/utilities/lib/distance_queue.o -lm -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/distance_queue.cpython-38-x86_64-linux-gnu.so
> building 'yt.utilities.lib.allocation_container' extension
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/utilities/lib/allocation_container.c -o build/temp.linux-x86_64-3.8/yt/utilities/lib/allocation_container.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from /usr/include/python3.8/numpy/arrayobject.h:4,
>                  from yt/utilities/lib/allocation_container.c:626:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> yt/utilities/lib/allocation_container.c: In function ‘__pyx_pf_2yt_9utilities_3lib_20allocation_container_10ObjectPool_2__dealloc__’:
> yt/utilities/lib/allocation_container.c:2779:33: warning: comparison of integer expressions of different signedness: ‘int’ and ‘__pyx_t_5numpy_uint64_t’ {aka ‘long unsigned int’} [-Wsign-compare]
>  2779 |   for (__pyx_t_3 = 0; __pyx_t_3 < __pyx_t_2; __pyx_t_3+=1) {
>       |                                 ^
> yt/utilities/lib/allocation_container.c: In function ‘__pyx_pf_2yt_9utilities_3lib_20allocation_container_10ObjectPool_10to_arrays’:
> yt/utilities/lib/allocation_container.c:3460:33: warning: comparison of integer expressions of different signedness: ‘int’ and ‘__pyx_t_5numpy_uint64_t’ {aka ‘long unsigned int’} [-Wsign-compare]
>  3460 |   for (__pyx_t_4 = 0; __pyx_t_4 < __pyx_t_3; __pyx_t_4+=1) {
>       |                                 ^
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/utilities/lib/allocation_container.o -lm -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/allocation_container.cpython-38-x86_64-linux-gnu.so
> building 'yt.utilities.lib.write_array' extension
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/utilities/lib/write_array.c -o build/temp.linux-x86_64-3.8/yt/utilities/lib/write_array.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from /usr/include/python3.8/numpy/arrayobject.h:4,
>                  from yt/utilities/lib/write_array.c:623:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/utilities/lib/write_array.o -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/write_array.cpython-38-x86_64-linux-gnu.so
> building 'yt.utilities.lib.ragged_arrays' extension
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/utilities/lib/ragged_arrays.c -o build/temp.linux-x86_64-3.8/yt/utilities/lib/ragged_arrays.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from /usr/include/python3.8/numpy/arrayobject.h:4,
>                  from yt/utilities/lib/ragged_arrays.c:623:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/utilities/lib/ragged_arrays.o -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/ragged_arrays.cpython-38-x86_64-linux-gnu.so
> building 'yt.utilities.lib.line_integral_convolution' extension
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/utilities/lib/line_integral_convolution.c -o build/temp.linux-x86_64-3.8/yt/utilities/lib/line_integral_convolution.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from /usr/include/python3.8/numpy/arrayobject.h:4,
>                  from yt/utilities/lib/line_integral_convolution.c:623:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/utilities/lib/line_integral_convolution.o -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/line_integral_convolution.cpython-38-x86_64-linux-gnu.so
> building 'yt.analysis_modules.halo_finding.fof.EnzoFOF' extension
> creating build/temp.linux-x86_64-3.8/yt/analysis_modules/halo_finding
> creating build/temp.linux-x86_64-3.8/yt/analysis_modules/halo_finding/fof
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/analysis_modules/halo_finding/fof/EnzoFOF.c -o build/temp.linux-x86_64-3.8/yt/analysis_modules/halo_finding/fof/EnzoFOF.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from yt/analysis_modules/halo_finding/fof/EnzoFOF.c:22:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> yt/analysis_modules/halo_finding/fof/EnzoFOF.c: In function ‘Py_EnzoFOF’:
> yt/analysis_modules/halo_finding/fof/EnzoFOF.c:37:14: warning: unused variable ‘j’ [-Wunused-variable]
>    37 |  int nBucket,j;
>       |              ^
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/analysis_modules/halo_finding/fof/kd.c -o build/temp.linux-x86_64-3.8/yt/analysis_modules/halo_finding/fof/kd.o
> yt/analysis_modules/halo_finding/fof/kd.c: In function ‘kdBuildTreeFoF’:
> yt/analysis_modules/halo_finding/fof/kd.c:210:18: warning: variable ‘diff’ set but not used [-Wunused-but-set-variable]
>   210 |  int l,n,i,d,m,j,diff;
>       |                  ^~~~
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/analysis_modules/halo_finding/fof/EnzoFOF.o build/temp.linux-x86_64-3.8/yt/analysis_modules/halo_finding/fof/kd.o -lm -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_finding/fof/EnzoFOF.cpython-38-x86_64-linux-gnu.so
> building 'yt.analysis_modules.halo_finding.hop.EnzoHop' extension
> creating build/temp.linux-x86_64-3.8/yt/analysis_modules/halo_finding/hop
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/analysis_modules/halo_finding/hop/EnzoHop.c -o build/temp.linux-x86_64-3.8/yt/analysis_modules/halo_finding/hop/EnzoHop.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from yt/analysis_modules/halo_finding/hop/kd.h:22,
>                  from yt/analysis_modules/halo_finding/hop/EnzoHop.c:20:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> yt/analysis_modules/halo_finding/hop/EnzoHop.c: In function ‘Py_EnzoHop’:
> yt/analysis_modules/halo_finding/hop/EnzoHop.c:102:23: warning: unused variable ‘kdcount’ [-Wunused-variable]
>   102 |     int nBucket = 16, kdcount = 0;
>       |                       ^~~~~~~
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/analysis_modules/halo_finding/hop/hop_hop.c -o build/temp.linux-x86_64-3.8/yt/analysis_modules/halo_finding/hop/hop_hop.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from yt/analysis_modules/halo_finding/hop/kd.h:22,
>                  from yt/analysis_modules/halo_finding/hop/hop_hop.c:25:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> yt/analysis_modules/halo_finding/hop/hop_hop.c: In function ‘hop_main’:
> yt/analysis_modules/halo_finding/hop/hop_hop.c:63:41: warning: unused variable ‘densfile’ [-Wunused-variable]
>    63 |  char ach[80],achFile[80], *inputfile, *densfile;
>       |                                         ^~~~~~~~
> yt/analysis_modules/halo_finding/hop/hop_hop.c:63:29: warning: variable ‘inputfile’ set but not used [-Wunused-but-set-variable]
>    63 |  char ach[80],achFile[80], *inputfile, *densfile;
>       |                             ^~~~~~~~~
> yt/analysis_modules/halo_finding/hop/hop_hop.c:63:7: warning: unused variable ‘ach’ [-Wunused-variable]
>    63 |  char ach[80],achFile[80], *inputfile, *densfile;
>       |       ^~~
> yt/analysis_modules/halo_finding/hop/hop_hop.c:62:13: warning: unused variable ‘fpb’ [-Wunused-variable]
>    62 |  FILE *fp, *fpb;
>       |             ^~~
> yt/analysis_modules/halo_finding/hop/hop_hop.c:62:8: warning: unused variable ‘fp’ [-Wunused-variable]
>    62 |  FILE *fp, *fpb;
>       |        ^~
> yt/analysis_modules/halo_finding/hop/hop_hop.c:61:22: warning: variable ‘i’ set but not used [-Wunused-but-set-variable]
>    61 |  int nBucket,nSmooth,i,j;
>       |                      ^
> yt/analysis_modules/halo_finding/hop/hop_hop.c:61:6: warning: variable ‘nBucket’ set but not used [-Wunused-but-set-variable]
>    61 |  int nBucket,nSmooth,i,j;
>       |      ^~~~~~~
> yt/analysis_modules/halo_finding/hop/hop_hop.c: In function ‘MergeGroupsHash’:
> yt/analysis_modules/halo_finding/hop/hop_hop.c:378:24: warning: unused variable ‘newgroup’ [-Wunused-variable]
>   378 |     int j, k, g, next, newgroup;
>       |                        ^~~~~~~~
> yt/analysis_modules/halo_finding/hop/hop_hop.c:378:18: warning: unused variable ‘next’ [-Wunused-variable]
>   378 |     int j, k, g, next, newgroup;
>       |                  ^~~~
> yt/analysis_modules/halo_finding/hop/hop_hop.c:378:15: warning: unused variable ‘g’ [-Wunused-variable]
>   378 |     int j, k, g, next, newgroup;
>       |               ^
> yt/analysis_modules/halo_finding/hop/hop_hop.c:378:12: warning: unused variable ‘k’ [-Wunused-variable]
>   378 |     int j, k, g, next, newgroup;
>       |            ^
> In file included from yt/analysis_modules/halo_finding/hop/hop_hop.c:27:
> yt/analysis_modules/halo_finding/hop/hop_hop.c: In function ‘ReSizeSMX’:
> yt/analysis_modules/halo_finding/hop/smooth.h:67:44: warning: unused variable ‘PQ_i’ [-Wunused-variable]
>    67 | #define PQ_STATIC PQ *PQ_t,*PQ_lt;int PQ_j,PQ_i
>       |                                            ^~~~
> yt/analysis_modules/halo_finding/hop/hop_hop.c:469:5: note: in expansion of macro ‘PQ_STATIC’
>   469 |     PQ_STATIC;
>       |     ^~~~~~~~~
> yt/analysis_modules/halo_finding/hop/smooth.h:67:29: warning: unused variable ‘PQ_lt’ [-Wunused-variable]
>    67 | #define PQ_STATIC PQ *PQ_t,*PQ_lt;int PQ_j,PQ_i
>       |                             ^~~~~
> yt/analysis_modules/halo_finding/hop/hop_hop.c:469:5: note: in expansion of macro ‘PQ_STATIC’
>   469 |     PQ_STATIC;
>       |     ^~~~~~~~~
> yt/analysis_modules/halo_finding/hop/smooth.h:67:23: warning: unused variable ‘PQ_t’ [-Wunused-variable]
>    67 | #define PQ_STATIC PQ *PQ_t,*PQ_lt;int PQ_j,PQ_i
>       |                       ^~~~
> yt/analysis_modules/halo_finding/hop/hop_hop.c:469:5: note: in expansion of macro ‘PQ_STATIC’
>   469 |     PQ_STATIC;
>       |     ^~~~~~~~~
> yt/analysis_modules/halo_finding/hop/hop_hop.c: In function ‘binOutHop’:
> yt/analysis_modules/halo_finding/hop/hop_hop.c:527:11: warning: unused variable ‘dummy’ [-Wunused-variable]
>   527 |     int j,dummy;
>       |           ^~~~~
> In file included from /usr/include/python3.8/numpy/ndarrayobject.h:21,
>                  from yt/analysis_modules/halo_finding/hop/kd.h:22,
>                  from yt/analysis_modules/halo_finding/hop/hop_hop.c:25:
> At top level:
> /usr/include/python3.8/numpy/__multiarray_api.h:1463:1: warning: ‘_import_array’ defined but not used [-Wunused-function]
>  1463 | _import_array(void)
>       | ^~~~~~~~~~~~~
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/analysis_modules/halo_finding/hop/hop_kd.c -o build/temp.linux-x86_64-3.8/yt/analysis_modules/halo_finding/hop/hop_kd.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from yt/analysis_modules/halo_finding/hop/kd.h:22,
>                  from yt/analysis_modules/halo_finding/hop/hop_kd.c:22:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> In file included from /usr/include/python3.8/numpy/ndarrayobject.h:21,
>                  from yt/analysis_modules/halo_finding/hop/kd.h:22,
>                  from yt/analysis_modules/halo_finding/hop/hop_kd.c:22:
> /usr/include/python3.8/numpy/__multiarray_api.h:1463:1: warning: ‘_import_array’ defined but not used [-Wunused-function]
>  1463 | _import_array(void)
>       | ^~~~~~~~~~~~~
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/analysis_modules/halo_finding/hop/hop_regroup.c -o build/temp.linux-x86_64-3.8/yt/analysis_modules/halo_finding/hop/hop_regroup.o
> yt/analysis_modules/halo_finding/hop/hop_regroup.c: In function ‘parsecommandline’:
> yt/analysis_modules/halo_finding/hop/hop_regroup.c:89:9: warning: variable ‘narg’ set but not used [-Wunused-but-set-variable]
>    89 |     int narg, qmerge;
>       |         ^~~~
> yt/analysis_modules/halo_finding/hop/hop_regroup.c: In function ‘regroup_main’:
> yt/analysis_modules/halo_finding/hop/hop_regroup.c:216:11: warning: unused variable ‘f’ [-Wunused-variable]
>   216 |     FILE *f;
>       |           ^
> yt/analysis_modules/halo_finding/hop/hop_regroup.c: In function ‘densitycut’:
> yt/analysis_modules/halo_finding/hop/hop_regroup.c:326:42: warning: comparison of integer expressions of different signedness: ‘size_t’ {aka ‘long unsigned int’} and ‘int’ [-Wsign-compare]
>   326 |  if (fread(density,sizeof(float),block,f)!=block)
>       |                                          ^~
> yt/analysis_modules/halo_finding/hop/hop_regroup.c: In function ‘merge_groups_boundaries’:
> yt/analysis_modules/halo_finding/hop/hop_regroup.c:472:5: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wdangling-else]
>   472 |  if (gdensity[g1]>=peakdensthresh && gdensity[g2]>=peakdensthresh)
>       |     ^
> yt/analysis_modules/halo_finding/hop/hop_regroup.c:412:11: warning: unused variable ‘boundfp’ [-Wunused-variable]
>   412 |     FILE *boundfp;
>       |           ^~~~~~~
> yt/analysis_modules/halo_finding/hop/hop_regroup.c:411:11: warning: unused variable ‘fp’ [-Wunused-variable]
>   411 |     FILE *fp;
>       |           ^~
> yt/analysis_modules/halo_finding/hop/hop_regroup.c:409:10: warning: unused variable ‘line’ [-Wunused-variable]
>   409 |     char line[80]; /*, *tempfilename; */
>       |          ^~~~
> yt/analysis_modules/halo_finding/hop/hop_regroup.c:407:26: warning: unused variable ‘fdum’ [-Wunused-variable]
>   407 |     float *densestbound, fdum[3], dens;
>       |                          ^~~~
> yt/analysis_modules/halo_finding/hop/hop_regroup.c:405:12: warning: unused variable ‘k’ [-Wunused-variable]
>   405 |     int j, k, g1, g2, ngroups, dummy[3];
>       |            ^
> yt/analysis_modules/halo_finding/hop/hop_regroup.c: In function ‘sort_groups’:
> yt/analysis_modules/halo_finding/hop/hop_regroup.c:654:5: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wdangling-else]
>   654 |  if (igr>=0)
>       |     ^
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/analysis_modules/halo_finding/hop/hop_slice.c -o build/temp.linux-x86_64-3.8/yt/analysis_modules/halo_finding/hop/hop_slice.o
> yt/analysis_modules/halo_finding/hop/hop_slice.c: In function ‘f77write’:
> yt/analysis_modules/halo_finding/hop/hop_slice.c:70:26: warning: comparison of integer expressions of different signedness: ‘size_t’ {aka ‘long unsigned int’} and ‘int’ [-Wsign-compare]
>    70 |     if (fwrite(p,1,len,f)!=len) return 1;
>       |                          ^~
> yt/analysis_modules/halo_finding/hop/hop_slice.c: In function ‘f77read’:
> yt/analysis_modules/halo_finding/hop/hop_slice.c:89:26: warning: comparison of integer expressions of different signedness: ‘size_t’ {aka ‘long unsigned int’} and ‘int’ [-Wsign-compare]
>    89 |     if (fread(p,1,size,f)!=size) myerror("f77read(): Error reading data.");
>       |                          ^~
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/analysis_modules/halo_finding/hop/hop_smooth.c -o build/temp.linux-x86_64-3.8/yt/analysis_modules/halo_finding/hop/hop_smooth.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from yt/analysis_modules/halo_finding/hop/kd.h:22,
>                  from yt/analysis_modules/halo_finding/hop/smooth.h:16,
>                  from yt/analysis_modules/halo_finding/hop/hop_smooth.c:23:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> In file included from yt/analysis_modules/halo_finding/hop/hop_smooth.c:23:
> yt/analysis_modules/halo_finding/hop/hop_smooth.c: In function ‘smInit’:
> yt/analysis_modules/halo_finding/hop/smooth.h:67:44: warning: unused variable ‘PQ_i’ [-Wunused-variable]
>    67 | #define PQ_STATIC PQ *PQ_t,*PQ_lt;int PQ_j,PQ_i
>       |                                            ^~~~
> yt/analysis_modules/halo_finding/hop/hop_smooth.c:37:2: note: in expansion of macro ‘PQ_STATIC’
>    37 |  PQ_STATIC;
>       |  ^~~~~~~~~
> yt/analysis_modules/halo_finding/hop/smooth.h:67:29: warning: unused variable ‘PQ_lt’ [-Wunused-variable]
>    67 | #define PQ_STATIC PQ *PQ_t,*PQ_lt;int PQ_j,PQ_i
>       |                             ^~~~~
> yt/analysis_modules/halo_finding/hop/hop_smooth.c:37:2: note: in expansion of macro ‘PQ_STATIC’
>    37 |  PQ_STATIC;
>       |  ^~~~~~~~~
> yt/analysis_modules/halo_finding/hop/smooth.h:67:23: warning: unused variable ‘PQ_t’ [-Wunused-variable]
>    67 | #define PQ_STATIC PQ *PQ_t,*PQ_lt;int PQ_j,PQ_i
>       |                       ^~~~
> yt/analysis_modules/halo_finding/hop/hop_smooth.c:37:2: note: in expansion of macro ‘PQ_STATIC’
>    37 |  PQ_STATIC;
>       |  ^~~~~~~~~
> yt/analysis_modules/halo_finding/hop/hop_smooth.c: In function ‘smBallSearch’:
> yt/analysis_modules/halo_finding/hop/smooth.h:67:44: warning: unused variable ‘PQ_i’ [-Wunused-variable]
>    67 | #define PQ_STATIC PQ *PQ_t,*PQ_lt;int PQ_j,PQ_i
>       |                                            ^~~~
> yt/analysis_modules/halo_finding/hop/hop_smooth.c:91:2: note: in expansion of macro ‘PQ_STATIC’
>    91 |  PQ_STATIC;
>       |  ^~~~~~~~~
> yt/analysis_modules/halo_finding/hop/smooth.h:67:39: warning: unused variable ‘PQ_j’ [-Wunused-variable]
>    67 | #define PQ_STATIC PQ *PQ_t,*PQ_lt;int PQ_j,PQ_i
>       |                                       ^~~~
> yt/analysis_modules/halo_finding/hop/hop_smooth.c:91:2: note: in expansion of macro ‘PQ_STATIC’
>    91 |  PQ_STATIC;
>       |  ^~~~~~~~~
> yt/analysis_modules/halo_finding/hop/hop_smooth.c:87:12: warning: variable ‘p’ set but not used [-Wunused-but-set-variable]
>    87 |  PARTICLE *p;
>       |            ^
> yt/analysis_modules/halo_finding/hop/hop_smooth.c: In function ‘smBallGather’:
> yt/analysis_modules/halo_finding/hop/hop_smooth.c:178:12: warning: variable ‘p’ set but not used [-Wunused-but-set-variable]
>   178 |  PARTICLE *p;
>       |            ^
> yt/analysis_modules/halo_finding/hop/hop_smooth.c: In function ‘smSmooth’:
> yt/analysis_modules/halo_finding/hop/hop_smooth.c:230:12: warning: variable ‘p’ set but not used [-Wunused-but-set-variable]
>   230 |  PARTICLE *p;
>       |            ^
> yt/analysis_modules/halo_finding/hop/hop_smooth.c: In function ‘smReSmooth’:
> yt/analysis_modules/halo_finding/hop/hop_smooth.c:373:12: warning: variable ‘p’ set but not used [-Wunused-but-set-variable]
>   373 |  PARTICLE *p;
>       |            ^
> In file included from /usr/include/python3.8/numpy/ndarrayobject.h:21,
>                  from yt/analysis_modules/halo_finding/hop/kd.h:22,
>                  from yt/analysis_modules/halo_finding/hop/smooth.h:16,
>                  from yt/analysis_modules/halo_finding/hop/hop_smooth.c:23:
> At top level:
> /usr/include/python3.8/numpy/__multiarray_api.h:1463:1: warning: ‘_import_array’ defined but not used [-Wunused-function]
>  1463 | _import_array(void)
>       | ^~~~~~~~~~~~~
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/analysis_modules/halo_finding/hop/EnzoHop.o build/temp.linux-x86_64-3.8/yt/analysis_modules/halo_finding/hop/hop_hop.o build/temp.linux-x86_64-3.8/yt/analysis_modules/halo_finding/hop/hop_kd.o build/temp.linux-x86_64-3.8/yt/analysis_modules/halo_finding/hop/hop_regroup.o build/temp.linux-x86_64-3.8/yt/analysis_modules/halo_finding/hop/hop_slice.o build/temp.linux-x86_64-3.8/yt/analysis_modules/halo_finding/hop/hop_smooth.o -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_finding/hop/EnzoHop.cpython-38-x86_64-linux-gnu.so
> building 'yt.frontends.artio._artio_caller' extension
> creating build/temp.linux-x86_64-3.8/yt/frontends/artio
> creating build/temp.linux-x86_64-3.8/yt/frontends/artio/artio_headers
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iyt/frontends/artio/artio_headers/ -Iyt/geometry/ -Iyt/utilities/lib/ -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/frontends/artio/_artio_caller.c -o build/temp.linux-x86_64-3.8/yt/frontends/artio/_artio_caller.o
> In file included from /usr/include/python3.8/numpy/ndarraytypes.h:1822,
>                  from /usr/include/python3.8/numpy/ndarrayobject.h:12,
>                  from /usr/include/python3.8/numpy/arrayobject.h:4,
>                  from yt/frontends/artio/_artio_caller.c:656:
> /usr/include/python3.8/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
>    17 | #warning "Using deprecated NumPy API, disable it with " \
>       |  ^~~~~~~
> yt/frontends/artio/_artio_caller.c: In function ‘__pyx_pf_2yt_9frontends_5artio_13_artio_caller_22ARTIORootMeshContainer___init__’:
> yt/frontends/artio/_artio_caller.c:19665:33: warning: comparison of integer expressions of different signedness: ‘__pyx_t_5numpy_int64_t’ {aka ‘long int’} and ‘__pyx_t_5numpy_uint64_t’ {aka ‘long unsigned int’} [-Wsign-compare]
> 19665 |   for (__pyx_t_4 = 0; __pyx_t_4 < __pyx_t_6; __pyx_t_4+=1) {
>       |                                 ^
> yt/frontends/artio/_artio_caller.c: In function ‘__pyx_pf_2yt_9frontends_5artio_13_artio_caller_22ARTIORootMeshContainer_4icoords’:
> yt/frontends/artio/_artio_caller.c:20294:55: warning: comparison of integer expressions of different signedness: ‘__pyx_t_5numpy_int64_t’ {aka ‘long int’} and ‘__pyx_t_5numpy_uint64_t’ {aka ‘long unsigned int’} [-Wsign-compare]
> 20294 |   for (__pyx_t_9 = __pyx_v_self->sfc_start; __pyx_t_9 < __pyx_t_13; __pyx_t_9+=1) {
>       |                                                       ^
> yt/frontends/artio/_artio_caller.c: In function ‘__pyx_pf_2yt_9frontends_5artio_13_artio_caller_22ARTIORootMeshContainer_6fcoords’:
> yt/frontends/artio/_artio_caller.c:20706:55: warning: comparison of integer expressions of different signedness: ‘__pyx_t_5numpy_int64_t’ {aka ‘long int’} and ‘__pyx_t_5numpy_uint64_t’ {aka ‘long unsigned int’} [-Wsign-compare]
> 20706 |   for (__pyx_t_9 = __pyx_v_self->sfc_start; __pyx_t_9 < __pyx_t_13; __pyx_t_9+=1) {
>       |                                                       ^
> yt/frontends/artio/_artio_caller.c: In function ‘__pyx_pf_2yt_9frontends_5artio_13_artio_caller_22ARTIORootMeshContainer_12selector_fill’:
> yt/frontends/artio/_artio_caller.c:21926:57: warning: comparison of integer expressions of different signedness: ‘__pyx_t_5numpy_int64_t’ {aka ‘long int’} and ‘__pyx_t_5numpy_uint64_t’ {aka ‘long unsigned int’} [-Wsign-compare]
> 21926 |   for (__pyx_t_11 = __pyx_v_self->sfc_start; __pyx_t_11 < __pyx_t_14; __pyx_t_11+=1) {
>       |                                                         ^
> yt/frontends/artio/_artio_caller.c: In function ‘__pyx_pf_2yt_9frontends_5artio_13_artio_caller_22ARTIORootMeshContainer_14mask’:
> yt/frontends/artio/_artio_caller.c:22321:57: warning: comparison of integer expressions of different signedness: ‘__pyx_t_5numpy_int64_t’ {aka ‘long int’} and ‘__pyx_t_5numpy_uint64_t’ {aka ‘long unsigned int’} [-Wsign-compare]
> 22321 |   for (__pyx_t_14 = __pyx_v_self->sfc_start; __pyx_t_14 < __pyx_t_13; __pyx_t_14+=1) {
>       |                                                         ^
> yt/frontends/artio/_artio_caller.c: In function ‘__pyx_pf_2yt_9frontends_5artio_13_artio_caller_22ARTIORootMeshContainer_18fill_sfc’:
> yt/frontends/artio/_artio_caller.c:23033:59: warning: comparison of integer expressions of different signedness: ‘__pyx_t_5numpy_int64_t’ {aka ‘long int’} and ‘__pyx_t_5numpy_uint64_t’ {aka ‘long unsigned int’} [-Wsign-compare]
> 23033 |     for (__pyx_t_11 = __pyx_v_self->sfc_start; __pyx_t_11 < __pyx_t_19; __pyx_t_11+=1) {
>       |                                                           ^
> yt/frontends/artio/_artio_caller.c:23177:59: warning: comparison of integer expressions of different signedness: ‘__pyx_t_5numpy_int64_t’ {aka ‘long int’} and ‘__pyx_t_5numpy_uint64_t’ {aka ‘long unsigned int’} [-Wsign-compare]
> 23177 |     for (__pyx_t_11 = __pyx_v_self->sfc_start; __pyx_t_11 < __pyx_t_19; __pyx_t_11+=1) {
>       |                                                           ^
> yt/frontends/artio/_artio_caller.c: In function ‘__pyx_pf_2yt_9frontends_5artio_13_artio_caller_22ARTIORootMeshContainer_20deposit’:
> yt/frontends/artio/_artio_caller.c:23798:57: warning: comparison of integer expressions of different signedness: ‘__pyx_t_5numpy_int64_t’ {aka ‘long int’} and ‘__pyx_t_5numpy_uint64_t’ {aka ‘long unsigned int’} [-Wsign-compare]
> 23798 |   for (__pyx_t_18 = __pyx_v_self->sfc_start; __pyx_t_18 < __pyx_t_17; __pyx_t_18+=1) {
>       |                                                         ^
> yt/frontends/artio/_artio_caller.c:23977:31: warning: comparison of integer expressions of different signedness: ‘__pyx_t_5numpy_int64_t’ {aka ‘long int’} and ‘__pyx_t_5numpy_uint64_t’ {aka ‘long unsigned int’} [-Wsign-compare]
> 23977 |     __pyx_t_1 = ((__pyx_v_sfc < __pyx_v_self->sfc_start) != 0);
>       |                               ^
> yt/frontends/artio/_artio_caller.c:23983:31: warning: comparison of integer expressions of different signedness: ‘__pyx_t_5numpy_int64_t’ {aka ‘long int’} and ‘__pyx_t_5numpy_uint64_t’ {aka ‘long unsigned int’} [-Wsign-compare]
> 23983 |     __pyx_t_1 = ((__pyx_v_sfc > __pyx_v_self->sfc_end) != 0);
>       |                               ^
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iyt/frontends/artio/artio_headers/ -Iyt/geometry/ -Iyt/utilities/lib/ -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/frontends/artio/artio_headers/artio.c -o build/temp.linux-x86_64-3.8/yt/frontends/artio/artio_headers/artio.o
> yt/frontends/artio/artio_headers/artio.c: In function ‘artio_fileset_open’:
> yt/frontends/artio/artio_headers/artio.c:66:23: warning: ‘.art’ directive writing 4 bytes into a region of size between 1 and 256 [-Wformat-overflow=]
>    66 |  sprintf(filename, "%s.art", handle->file_prefix);
>       |                       ^~~~
> In file included from /usr/include/stdio.h:867,
>                  from yt/frontends/artio/artio_headers/artio.c:25:
> /usr/include/x86_64-linux-gnu/bits/stdio2.h:36:10: note: ‘__builtin___sprintf_chk’ output between 5 and 260 bytes into a destination of size 256
>    36 |   return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
>       |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    37 |       __bos (__s), __fmt, __va_arg_pack ());
>       |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> yt/frontends/artio/artio_headers/artio.c: In function ‘artio_fileset_close’:
> yt/frontends/artio/artio_headers/artio.c:192:31: warning: ‘.art’ directive writing 4 bytes into a region of size between 1 and 256 [-Wformat-overflow=]
>   192 |   sprintf(header_filename, "%s.art", handle->file_prefix);
>       |                               ^~~~
> In file included from /usr/include/stdio.h:867,
>                  from yt/frontends/artio/artio_headers/artio.c:25:
> /usr/include/x86_64-linux-gnu/bits/stdio2.h:36:10: note: ‘__builtin___sprintf_chk’ output between 5 and 260 bytes into a destination of size 256
>    36 |   return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
>       |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    37 |       __bos (__s), __fmt, __va_arg_pack ());
>       |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iyt/frontends/artio/artio_headers/ -Iyt/geometry/ -Iyt/utilities/lib/ -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/frontends/artio/artio_headers/artio_endian.c -o build/temp.linux-x86_64-3.8/yt/frontends/artio/artio_headers/artio_endian.o
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iyt/frontends/artio/artio_headers/ -Iyt/geometry/ -Iyt/utilities/lib/ -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/frontends/artio/artio_headers/artio_file.c -o build/temp.linux-x86_64-3.8/yt/frontends/artio/artio_headers/artio_file.o
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iyt/frontends/artio/artio_headers/ -Iyt/geometry/ -Iyt/utilities/lib/ -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/frontends/artio/artio_headers/artio_grid.c -o build/temp.linux-x86_64-3.8/yt/frontends/artio/artio_headers/artio_grid.o
> yt/frontends/artio/artio_headers/artio_grid.c: In function ‘artio_fileset_open_grid’:
> yt/frontends/artio/artio_headers/artio_grid.c:115:24: warning: ‘.g’ directive writing 2 bytes into a region of size between 1 and 256 [-Wformat-overflow=]
>   115 |   sprintf(filename, "%s.g%03d", handle->file_prefix, i);
>       |                        ^~
> In file included from /usr/include/stdio.h:867,
>                  from yt/frontends/artio/artio_headers/artio_grid.c:26:
> /usr/include/x86_64-linux-gnu/bits/stdio2.h:36:10: note: ‘__builtin___sprintf_chk’ output between 6 and 269 bytes into a destination of size 256
>    36 |   return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
>       |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    37 |       __bos (__s), __fmt, __va_arg_pack ());
>       |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> yt/frontends/artio/artio_headers/artio_grid.c: In function ‘artio_fileset_add_grid’:
> yt/frontends/artio/artio_headers/artio_grid.c:270:24: warning: ‘.g’ directive writing 2 bytes into a region of size between 1 and 256 [-Wformat-overflow=]
>   270 |   sprintf(filename, "%s.g%03d", handle->file_prefix, i);
>       |                        ^~
> yt/frontends/artio/artio_headers/artio_grid.c:270:21: note: directive argument in the range [0, 2147483646]
>   270 |   sprintf(filename, "%s.g%03d", handle->file_prefix, i);
>       |                     ^~~~~~~~~~
> In file included from /usr/include/stdio.h:867,
>                  from yt/frontends/artio/artio_headers/artio_grid.c:26:
> /usr/include/x86_64-linux-gnu/bits/stdio2.h:36:10: note: ‘__builtin___sprintf_chk’ output between 6 and 268 bytes into a destination of size 256
>    36 |   return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
>       |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    37 |       __bos (__s), __fmt, __va_arg_pack ());
>       |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iyt/frontends/artio/artio_headers/ -Iyt/geometry/ -Iyt/utilities/lib/ -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/frontends/artio/artio_headers/artio_mpi.c -o build/temp.linux-x86_64-3.8/yt/frontends/artio/artio_headers/artio_mpi.o
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iyt/frontends/artio/artio_headers/ -Iyt/geometry/ -Iyt/utilities/lib/ -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/frontends/artio/artio_headers/artio_parameter.c -o build/temp.linux-x86_64-3.8/yt/frontends/artio/artio_headers/artio_parameter.o
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iyt/frontends/artio/artio_headers/ -Iyt/geometry/ -Iyt/utilities/lib/ -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/frontends/artio/artio_headers/artio_particle.c -o build/temp.linux-x86_64-3.8/yt/frontends/artio/artio_headers/artio_particle.o
> yt/frontends/artio/artio_headers/artio_particle.c: In function ‘artio_fileset_open_particles’:
> yt/frontends/artio/artio_headers/artio_particle.c:122:24: warning: ‘.p’ directive writing 2 bytes into a region of size between 1 and 256 [-Wformat-overflow=]
>   122 |   sprintf(filename, "%s.p%03d", handle->file_prefix, i);
>       |                        ^~
> In file included from /usr/include/stdio.h:867,
>                  from yt/frontends/artio/artio_headers/artio_particle.c:27:
> /usr/include/x86_64-linux-gnu/bits/stdio2.h:36:10: note: ‘__builtin___sprintf_chk’ output between 6 and 269 bytes into a destination of size 256
>    36 |   return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
>       |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    37 |       __bos (__s), __fmt, __va_arg_pack ());
>       |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> yt/frontends/artio/artio_headers/artio_particle.c: In function ‘artio_fileset_add_particles’:
> yt/frontends/artio/artio_headers/artio_particle.c:325:24: warning: ‘.p’ directive writing 2 bytes into a region of size between 1 and 256 [-Wformat-overflow=]
>   325 |   sprintf(filename, "%s.p%03d", handle->file_prefix, i);
>       |                        ^~
> yt/frontends/artio/artio_headers/artio_particle.c:325:21: note: directive argument in the range [0, 2147483646]
>   325 |   sprintf(filename, "%s.p%03d", handle->file_prefix, i);
>       |                     ^~~~~~~~~~
> In file included from /usr/include/stdio.h:867,
>                  from yt/frontends/artio/artio_headers/artio_particle.c:27:
> /usr/include/x86_64-linux-gnu/bits/stdio2.h:36:10: note: ‘__builtin___sprintf_chk’ output between 6 and 268 bytes into a destination of size 256
>    36 |   return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
>       |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    37 |       __bos (__s), __fmt, __va_arg_pack ());
>       |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iyt/frontends/artio/artio_headers/ -Iyt/geometry/ -Iyt/utilities/lib/ -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/frontends/artio/artio_headers/artio_posix.c -o build/temp.linux-x86_64-3.8/yt/frontends/artio/artio_headers/artio_posix.o
> yt/frontends/artio/artio_headers/artio_posix.c: In function ‘artio_file_fwrite_i’:
> yt/frontends/artio/artio_headers/artio_posix.c:134:13: warning: comparison of integer expressions of different signedness: ‘int64_t’ {aka ‘long int’} and ‘long unsigned int’ [-Wsign-compare]
>   134 |  if ( count > ARTIO_INT64_MAX / size ) {
>       |             ^
> yt/frontends/artio/artio_headers/artio_posix.c:145:44: warning: comparison of integer expressions of different signedness: ‘size_t’ {aka ‘long unsigned int’} and ‘int’ [-Wsign-compare]
>   145 |    if ( fwrite( p, 1, size32, handle->fh ) != size32 ) {
>       |                                            ^~
> yt/frontends/artio/artio_headers/artio_posix.c:158:18: warning: comparison of integer expressions of different signedness: ‘size_t’ {aka ‘long unsigned int’} and ‘int’ [-Wsign-compare]
>   158 |     handle->fh ) != handle->bfsize ) {
>       |                  ^~
> yt/frontends/artio/artio_headers/artio_posix.c:167:19: warning: comparison of integer expressions of different signedness: ‘size_t’ {aka ‘long unsigned int’} and ‘int’ [-Wsign-compare]
>   167 |      handle->fh ) != handle->bfsize ) {
>       |                   ^~
> yt/frontends/artio/artio_headers/artio_posix.c: In function ‘artio_file_fflush_i’:
> yt/frontends/artio/artio_headers/artio_posix.c:189:19: warning: comparison of integer expressions of different signedness: ‘size_t’ {aka ‘long unsigned int’} and ‘int’ [-Wsign-compare]
>   189 |      handle->fh ) != handle->bfptr ) {
>       |                   ^~
> yt/frontends/artio/artio_headers/artio_posix.c: In function ‘artio_file_fread_i’:
> yt/frontends/artio/artio_headers/artio_posix.c:218:13: warning: comparison of integer expressions of different signedness: ‘int64_t’ {aka ‘long int’} and ‘long unsigned int’ [-Wsign-compare]
>   218 |  if ( count > ARTIO_INT64_MAX / size ) {
>       |             ^
> yt/frontends/artio/artio_headers/artio_posix.c:228:42: warning: comparison of integer expressions of different signedness: ‘size_t’ {aka ‘long unsigned int’} and ‘int’ [-Wsign-compare]
>   228 |    if ( fread( p, 1, size32, handle->fh) != size32 ) {
>       |                                          ^~
> yt/frontends/artio/artio_headers/artio_posix.c:244:28: warning: comparison of integer expressions of different signedness: ‘size_t’ {aka ‘long unsigned int’} and ‘int’ [-Wsign-compare]
>   244 |     handle->bfptr + remain >= handle->bfend ) {
>       |                            ^~
> yt/frontends/artio/artio_headers/artio_posix.c: In function ‘artio_file_fseek_i’:
> yt/frontends/artio/artio_headers/artio_posix.c:328:14: warning: comparison of integer expressions of different signedness: ‘size_t’ {aka ‘long unsigned int’} and ‘int64_t’ {aka ‘long int’} [-Wsign-compare]
>   328 |      current <= offset &&
>       |              ^~
> yt/frontends/artio/artio_headers/artio_posix.c:329:13: warning: comparison of integer expressions of different signedness: ‘int64_t’ {aka ‘long int’} and ‘size_t’ {aka ‘long unsigned int’} [-Wsign-compare]
>   329 |      offset < current + handle->bfsize &&
>       |             ^
> yt/frontends/artio/artio_headers/artio_posix.c:330:20: warning: comparison of integer expressions of different signedness: ‘int’ and ‘long unsigned int’ [-Wsign-compare]
>   330 |      handle->bfptr == offset - current ) {
>       |                    ^~
> yt/frontends/artio/artio_headers/artio_posix.c:336:13: warning: comparison of integer expressions of different signedness: ‘int64_t’ {aka ‘long int’} and ‘size_t’ {aka ‘long unsigned int’} [-Wsign-compare]
>   336 |      offset >= current - handle->bfend &&
>       |             ^~
> yt/frontends/artio/artio_headers/artio_posix.c:337:13: warning: comparison of integer expressions of different signedness: ‘int64_t’ {aka ‘long int’} and ‘size_t’ {aka ‘long unsigned int’} [-Wsign-compare]
>   337 |      offset < current ) {
>       |             ^
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iyt/frontends/artio/artio_headers/ -Iyt/geometry/ -Iyt/utilities/lib/ -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/frontends/artio/artio_headers/artio_selector.c -o build/temp.linux-x86_64-3.8/yt/frontends/artio/artio_headers/artio_selector.o
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iyt/frontends/artio/artio_headers/ -Iyt/geometry/ -Iyt/utilities/lib/ -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/frontends/artio/artio_headers/artio_sfc.c -o build/temp.linux-x86_64-3.8/yt/frontends/artio/artio_headers/artio_sfc.o
> x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iyt/frontends/artio/artio_headers/ -Iyt/geometry/ -Iyt/utilities/lib/ -I/usr/include/python3.8 -I/usr/lib/python3/dist-packages/numpy/core/include -c yt/frontends/artio/artio_headers/cosmology.c -o build/temp.linux-x86_64-3.8/yt/frontends/artio/artio_headers/cosmology.o
> x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.8/yt/frontends/artio/_artio_caller.o build/temp.linux-x86_64-3.8/yt/frontends/artio/artio_headers/artio.o build/temp.linux-x86_64-3.8/yt/frontends/artio/artio_headers/artio_endian.o build/temp.linux-x86_64-3.8/yt/frontends/artio/artio_headers/artio_file.o build/temp.linux-x86_64-3.8/yt/frontends/artio/artio_headers/artio_grid.o build/temp.linux-x86_64-3.8/yt/frontends/artio/artio_headers/artio_mpi.o build/temp.linux-x86_64-3.8/yt/frontends/artio/artio_headers/artio_parameter.o build/temp.linux-x86_64-3.8/yt/frontends/artio/artio_headers/artio_particle.o build/temp.linux-x86_64-3.8/yt/frontends/artio/artio_headers/artio_posix.o build/temp.linux-x86_64-3.8/yt/frontends/artio/artio_headers/artio_selector.o build/temp.linux-x86_64-3.8/yt/frontends/artio/artio_headers/artio_sfc.o build/temp.linux-x86_64-3.8/yt/frontends/artio/artio_headers/cosmology.o -o /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/artio/_artio_caller.cpython-38-x86_64-linux-gnu.so
> running build_scripts
> creating build/scripts-3.8
> copying and adjusting scripts/iyt -> build/scripts-3.8
> changing mode of build/scripts-3.8/iyt from 644 to 755
>    dh_auto_test -O--buildsystem=pybuild
> I: pybuild base:217: cd /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build; python3.8 -m pytest 
> ============================= test session starts ==============================
> platform linux -- Python 3.8.5, pytest-4.6.11, py-1.8.1, pluggy-0.13.0
> rootdir: /<<PKGBUILDDIR>>
> collected 0 items / 163 errors
> 
> ==================================== ERRORS ====================================
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/analysis_modules/absorption_spectrum/tests/test_absorption_spectrum.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/absorption_spectrum/tests/test_absorption_spectrum.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/analysis_modules/cosmological_observation/light_cone/tests/test_light_cone.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/cosmological_observation/light_cone/tests/test_light_cone.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/analysis_modules/cosmological_observation/light_ray/tests/test_light_ray.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/cosmological_observation/light_ray/tests/test_light_ray.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_analysis/tests/test_halo_catalog.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_analysis/tests/test_halo_catalog.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_analysis/tests/test_halo_finders.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_analysis/tests/test_halo_finders.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_finding/tests/test_halo_finders.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_finding/tests/test_halo_finders.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_finding/tests/test_rockstar.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/halo_finding/tests/test_rockstar.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/analysis_modules/photon_simulator/tests/test_beta_model.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/photon_simulator/tests/test_beta_model.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/analysis_modules/photon_simulator/tests/test_sloshing.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/photon_simulator/tests/test_sloshing.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/analysis_modules/photon_simulator/tests/test_spectra.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/photon_simulator/tests/test_spectra.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/analysis_modules/ppv_cube/tests/test_ppv.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/ppv_cube/tests/test_ppv.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/analysis_modules/radmc3d_export/tests/test_radmc3d_exporter.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/radmc3d_export/tests/test_radmc3d_exporter.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/analysis_modules/sunyaev_zeldovich/tests/test_projection.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/analysis_modules/sunyaev_zeldovich/tests/test_projection.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/data_objects/level_sets/tests/test_clump_finding.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/level_sets/tests/test_clump_finding.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_boolean_regions.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_boolean_regions.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_chunking.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_chunking.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/data_objects/tests/test_chunking.py:1: in <module>
>     from yt.testing import \
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_clone.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_clone.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/data_objects/tests/test_clone.py:1: in <module>
>     from yt.testing import \
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_compose.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_compose.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/data_objects/tests/test_compose.py:3: in <module>
>     from yt.testing import \
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_connected_sets.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_connected_sets.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/data_objects/tests/test_connected_sets.py:1: in <module>
>     from yt.testing import fake_random_ds
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_covering_grid.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_covering_grid.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/data_objects/tests/test_covering_grid.py:5: in <module>
>     from yt.frontends.stream.data_structures import load_particles
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_cutting_plane.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_cutting_plane.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/data_objects/tests/test_cutting_plane.py:1: in <module>
>     from yt.testing import assert_equal, fake_random_ds
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_data_collection.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_data_collection.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/data_objects/tests/test_data_collection.py:3: in <module>
>     from yt.testing import \
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_data_containers.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_data_containers.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/data_objects/tests/test_data_containers.py:11: in <module>
>     from yt.data_objects.data_containers import YTDataContainer
> yt/data_objects/data_containers.py:29: in <module>
>     from yt.frontends.ytdata.utilities import \
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_dataset_access.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_dataset_access.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/data_objects/tests/test_dataset_access.py:4: in <module>
>     from yt.testing import assert_equal, fake_amr_ds, fake_particle_ds, \
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_derived_quantities.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_derived_quantities.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/data_objects/tests/test_derived_quantities.py:3: in <module>
>     from yt.testing import \
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_disks.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_disks.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/data_objects/tests/test_disks.py:4: in <module>
>     from yt import YTQuantity
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_ellipsoid.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_ellipsoid.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/data_objects/tests/test_ellipsoid.py:3: in <module>
>     from yt.testing import \
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_exclude_functions.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_exclude_functions.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/data_objects/tests/test_exclude_functions.py:3: in <module>
>     from yt.testing import fake_random_ds, assert_equal
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_extract_regions.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_extract_regions.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/data_objects/tests/test_extract_regions.py:3: in <module>
>     from yt.convenience import load
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_firefly.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_firefly.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/data_objects/tests/test_firefly.py:1: in <module>
>     from yt.testing import fake_particle_ds, requires_module
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_fluxes.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_fluxes.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/data_objects/tests/test_fluxes.py:9: in <module>
>     from yt.testing import fake_random_ds, assert_almost_equal, assert_equal
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_glue.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_glue.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/data_objects/tests/test_glue.py:4: in <module>
>     from yt.testing import fake_random_ds, requires_module
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_image_array.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_image_array.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/data_objects/tests/test_image_array.py:7: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:28: in <module>
>     import yt.utilities.lib.image_utilities as au
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> E   ImportError: cannot import name 'ImageArray' from partially initialized module 'yt.data_objects.image_array' (most likely due to a circular import) (/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/image_array.py)
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_numpy_ops.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_numpy_ops.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/data_objects/tests/test_numpy_ops.py:1: in <module>
>     from yt.testing import fake_random_ds, fake_amr_ds, assert_equal
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_ortho_rays.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_ortho_rays.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/data_objects/tests/test_ortho_rays.py:3: in <module>
>     from yt.testing import \
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_particle_filter.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_particle_filter.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/data_objects/tests/test_particle_filter.py:5: in <module>
>     from yt.data_objects.particle_filters import add_particle_filter, particle_filter
> yt/data_objects/particle_filters.py:20: in <module>
>     from yt.fields.field_info_container import \
> yt/fields/field_info_container.py:23: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:28: in <module>
>     import yt.utilities.lib.image_utilities as au
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> E   ImportError: cannot import name 'is_curvilinear' from partially initialized module 'yt.geometry.geometry_handler' (most likely due to a circular import) (/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry/geometry_handler.py)
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_particle_trajectories.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_particle_trajectories.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/data_objects/tests/test_particle_trajectories.py:8: in <module>
>     from yt.data_objects.time_series import DatasetSeries
> yt/data_objects/time_series.py:26: in <module>
>     from yt.convenience import load
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_pickle.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_pickle.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/data_objects/tests/test_pickle.py:18: in <module>
>     from yt.testing \
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_points.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_points.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/data_objects/tests/test_points.py:2: in <module>
>     import yt
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_profiles.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_profiles.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/data_objects/tests/test_profiles.py:6: in <module>
>     import yt
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_projection.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_projection.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/data_objects/tests/test_projection.py:2: in <module>
>     from yt.testing import \
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_rays.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_rays.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/data_objects/tests/test_rays.py:3: in <module>
>     from yt import \
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_refinement.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_refinement.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/data_objects/tests/test_refinement.py:1: in <module>
>     from yt.testing import \
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_regions.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_regions.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/data_objects/tests/test_regions.py:1: in <module>
>     from yt.testing import \
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_slice.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_slice.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/data_objects/tests/test_slice.py:17: in <module>
>     from yt.testing import \
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_spheres.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_spheres.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/data_objects/tests/test_spheres.py:4: in <module>
>     from yt.data_objects.profiles import create_profile
> yt/data_objects/profiles.py:19: in <module>
>     from yt.frontends.ytdata.utilities import \
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_streamlines.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/tests/test_streamlines.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/data_objects/tests/test_streamlines.py:3: in <module>
>     from yt.testing import \
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/fields/tests/test_angular_momentum.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields/tests/test_angular_momentum.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/fields/tests/test_field_access.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields/tests/test_field_access.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/fields/tests/test_field_access.py:1: in <module>
>     from yt.testing import fake_random_ds, assert_equal
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/fields/tests/test_field_name_container.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields/tests/test_field_name_container.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/fields/tests/test_field_name_container.py:1: in <module>
>     from yt import \
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/fields/tests/test_fields.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields/tests/test_fields.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/fields/tests/test_fields.py:3: in <module>
>     from yt import \
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/fields/tests/test_fields_plugins.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields/tests/test_fields_plugins.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/fields/tests/test_fields_plugins.py:12: in <module>
>     import yt
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/fields/tests/test_magnetic_fields.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields/tests/test_magnetic_fields.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/fields/tests/test_magnetic_fields.py:3: in <module>
>     from yt.testing import assert_almost_equal
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/fields/tests/test_vector_fields.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields/tests/test_vector_fields.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/fields/tests/test_vector_fields.py:11: in <module>
>     from yt.testing import \
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/fields/tests/test_xray_fields.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields/tests/test_xray_fields.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/fields/tests/test_xray_fields.py:1: in <module>
>     from yt.fields.xray_emission_fields import \
> yt/fields/xray_emission_fields.py:30: in <module>
>     from yt.utilities.linear_interpolators import \
> yt/utilities/linear_interpolators.py:20: in <module>
>     import yt.utilities.lib.interpolators as lib
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/frontends/adaptahop/tests/test_outputs.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/adaptahop/tests/test_outputs.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/frontends/ahf/tests/test_outputs.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/ahf/tests/test_outputs.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/frontends/amrvac/tests/test_outputs.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/amrvac/tests/test_outputs.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/frontends/amrvac/tests/test_read_amrvac_namelist.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/amrvac/tests/test_read_amrvac_namelist.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/frontends/art/tests/test_outputs.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/art/tests/test_outputs.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/frontends/artio/tests/test_outputs.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/artio/tests/test_outputs.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/frontends/athena/tests/test_outputs.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/athena/tests/test_outputs.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/frontends/athena_pp/tests/test_outputs.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/athena_pp/tests/test_outputs.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/frontends/boxlib/tests/test_outputs.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/boxlib/tests/test_outputs.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/frontends/chombo/tests/test_outputs.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/chombo/tests/test_outputs.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/frontends/eagle/tests/test_outputs.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/eagle/tests/test_outputs.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/frontends/enzo/tests/test_outputs.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/enzo/tests/test_outputs.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/frontends/enzo_p/tests/test_misc.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/enzo_p/tests/test_misc.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/frontends/enzo_p/tests/test_outputs.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/enzo_p/tests/test_outputs.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/frontends/exodus_ii/tests/test_outputs.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/exodus_ii/tests/test_outputs.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/frontends/fits/tests/test_outputs.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/fits/tests/test_outputs.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/frontends/flash/tests/test_outputs.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/flash/tests/test_outputs.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/frontends/gadget/tests/test_outputs.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gadget/tests/test_outputs.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/frontends/gadget_fof/tests/test_outputs.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gadget_fof/tests/test_outputs.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/frontends/gamer/tests/test_outputs.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gamer/tests/test_outputs.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/frontends/gdf/tests/test_outputs.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gdf/tests/test_outputs.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/frontends/gizmo/tests/test_outputs.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/gizmo/tests/test_outputs.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/frontends/halo_catalog/tests/test_outputs.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/halo_catalog/tests/test_outputs.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/frontends/moab/tests/test_c5.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/moab/tests/test_c5.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/frontends/open_pmd/tests/test_outputs.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/open_pmd/tests/test_outputs.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/frontends/owls/tests/test_outputs.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/owls/tests/test_outputs.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/frontends/owls_subfind/tests/test_outputs.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/owls_subfind/tests/test_outputs.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/frontends/ramses/tests/test_hilbert.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/ramses/tests/test_hilbert.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/frontends/ramses/tests/test_outputs.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/ramses/tests/test_outputs.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/frontends/rockstar/tests/test_outputs.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/rockstar/tests/test_outputs.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/frontends/sdf/tests/test_outputs.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/sdf/tests/test_outputs.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/frontends/sdf/tests/test_outputs.py:16: in <module>
>     from yt.testing import assert_equal
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/frontends/stream/tests/test_outputs.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/stream/tests/test_outputs.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/frontends/stream/tests/test_stream_amrgrids.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/stream/tests/test_stream_amrgrids.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/frontends/stream/tests/test_stream_hexahedral.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/stream/tests/test_stream_hexahedral.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/frontends/stream/tests/test_stream_octree.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/stream/tests/test_stream_octree.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/frontends/stream/tests/test_stream_particles.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/stream/tests/test_stream_particles.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/frontends/stream/tests/test_stream_unstructured.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/stream/tests/test_stream_unstructured.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/frontends/stream/tests/test_update_data.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/stream/tests/test_update_data.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/frontends/tipsy/tests/test_outputs.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/tipsy/tests/test_outputs.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/frontends/ytdata/tests/test_old_outputs.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/ytdata/tests/test_old_outputs.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/frontends/ytdata/tests/test_outputs.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/frontends/ytdata/tests/test_outputs.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/geometry/coordinates/tests/test_axial_pixelization.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry/coordinates/tests/test_axial_pixelization.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/geometry/coordinates/tests/test_axial_pixelization.py:1: in <module>
>     from yt.testing import \
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/geometry/coordinates/tests/test_cartesian_coordinates.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry/coordinates/tests/test_cartesian_coordinates.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/geometry/coordinates/tests/test_cartesian_coordinates.py:5: in <module>
>     from yt.testing import \
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/geometry/coordinates/tests/test_cylindrical_coordinates.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry/coordinates/tests/test_cylindrical_coordinates.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/geometry/coordinates/tests/test_cylindrical_coordinates.py:5: in <module>
>     from yt.testing import \
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/geometry/coordinates/tests/test_geographic_coordinates.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry/coordinates/tests/test_geographic_coordinates.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/geometry/coordinates/tests/test_geographic_coordinates.py:5: in <module>
>     from yt.testing import \
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/geometry/coordinates/tests/test_polar_coordinates.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry/coordinates/tests/test_polar_coordinates.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/geometry/coordinates/tests/test_polar_coordinates.py:6: in <module>
>     from yt.testing import \
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/geometry/coordinates/tests/test_spherical_coordinates.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry/coordinates/tests/test_spherical_coordinates.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/geometry/coordinates/tests/test_spherical_coordinates.py:5: in <module>
>     from yt.testing import \
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/geometry/tests/test_grid_container.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry/tests/test_grid_container.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/geometry/tests/test_neighbor_search.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry/tests/test_neighbor_search.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/geometry/tests/test_neighbor_search.py:18: in <module>
>     from yt.fields.particle_fields import \
> yt/fields/particle_fields.py:45: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:28: in <module>
>     import yt.utilities.lib.image_utilities as au
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> E   ImportError: cannot import name 'create_magnitude_field' from partially initialized module 'yt.fields.vector_operations' (most likely due to a circular import) (/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields/vector_operations.py)
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/geometry/tests/test_particle_deposit.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry/tests/test_particle_deposit.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/geometry/tests/test_particle_deposit.py:4: in <module>
>     from yt.convenience import \
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/geometry/tests/test_particle_octree.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/geometry/tests/test_particle_octree.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/geometry/tests/test_particle_octree.py:19: in <module>
>     from yt.frontends.stream.data_structures import load_particles
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> ____ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/tests/test_funcs.py ____
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/tests/test_funcs.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> ___ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/tests/test_testing.py ___
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/tests/test_testing.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/units/tests/test_define_unit.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/units/tests/test_define_unit.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/units/tests/test_unit_systems.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/units/tests/test_unit_systems.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/units/tests/test_unit_systems.py:17: in <module>
>     from yt.convenience import load
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/units/tests/test_units.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/units/tests/test_units.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/units/tests/test_units.py:25: in <module>
>     from yt.testing import \
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/units/tests/test_ytarray.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/units/tests/test_ytarray.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/units/tests/test_ytarray.py:45: in <module>
>     from yt.testing import \
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/utilities/grid_data_format/tests/test_writer.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/grid_data_format/tests/test_writer.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/utilities/lib/tests/test_allocation_container.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/tests/test_allocation_container.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/utilities/lib/tests/test_alt_ray_tracers.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/tests/test_alt_ray_tracers.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/utilities/lib/tests/test_alt_ray_tracers.py:4: in <module>
>     from yt.testing import \
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/utilities/lib/tests/test_bitarray.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/tests/test_bitarray.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/utilities/lib/tests/test_bitarray.py:3: in <module>
>     import yt.utilities.lib.bitarray as ba
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/utilities/lib/tests/test_bounding_volume_hierarchy.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/tests/test_bounding_volume_hierarchy.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/utilities/lib/tests/test_bounding_volume_hierarchy.py:1: in <module>
>     import yt
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/utilities/lib/tests/test_element_mappings.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/tests/test_element_mappings.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/utilities/lib/tests/test_element_mappings.py:18: in <module>
>     from yt.testing import assert_almost_equal
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/utilities/lib/tests/test_fill_region.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/tests/test_fill_region.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/utilities/lib/tests/test_fill_region.py:3: in <module>
>     from yt.testing import assert_equal
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/utilities/lib/tests/test_geometry_utils.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/tests/test_geometry_utils.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/utilities/lib/tests/test_geometry_utils.py:3: in <module>
>     from yt.testing import \
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/utilities/lib/tests/test_ragged_arrays.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/tests/test_ragged_arrays.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/utilities/lib/tests/test_ragged_arrays.py:4: in <module>
>     from yt.testing import \
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/utilities/lib/tests/test_sample.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/lib/tests/test_sample.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/utilities/lib/tests/test_sample.py:5: in <module>
>     from yt.testing import assert_allclose
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/utilities/tests/test_amr_kdtree.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/tests/test_amr_kdtree.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/utilities/tests/test_chemical_formulas.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/tests/test_chemical_formulas.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/utilities/tests/test_chemical_formulas.py:1: in <module>
>     from yt.testing import assert_equal
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/utilities/tests/test_config.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/tests/test_config.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/utilities/tests/test_config.py:21: in <module>
>     import yt.utilities.command_line
> yt/utilities/command_line.py:32: in <module>
>     from yt.startup_tasks import parser, subparsers
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/utilities/tests/test_coordinate_conversions.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/tests/test_coordinate_conversions.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/utilities/tests/test_coordinate_conversions.py:3: in <module>
>     from yt.testing import assert_array_almost_equal
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/utilities/tests/test_cosmology.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/tests/test_cosmology.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/utilities/tests/test_cosmology.py:22: in <module>
>     from yt.testing import \
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/utilities/tests/test_decompose.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/tests/test_decompose.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/utilities/tests/test_decompose.py:16: in <module>
>     from yt.testing import assert_array_equal, assert_almost_equal
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/utilities/tests/test_flagging_methods.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/tests/test_flagging_methods.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/utilities/tests/test_flagging_methods.py:3: in <module>
>     from yt.testing import fake_random_ds
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/utilities/tests/test_hierarchy_inspection.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/tests/test_hierarchy_inspection.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/utilities/tests/test_interpolators.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/tests/test_interpolators.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/utilities/tests/test_interpolators.py:4: in <module>
>     from yt.testing import \
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/utilities/tests/test_minimal_representation.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/tests/test_minimal_representation.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/utilities/tests/test_minimal_representation.py:3: in <module>
>     import yt
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/utilities/tests/test_particle_generator.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/tests/test_particle_generator.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/utilities/tests/test_particle_generator.py:2: in <module>
>     from yt.testing import \
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/utilities/tests/test_periodic_table.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/tests/test_periodic_table.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/utilities/tests/test_periodic_table.py:1: in <module>
>     from yt.testing import assert_equal
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/utilities/tests/test_periodicity.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/tests/test_periodicity.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/utilities/tests/test_periodicity.py:3: in <module>
>     from yt.testing import \
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/utilities/tests/test_selectors.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/utilities/tests/test_selectors.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/utilities/tests/test_selectors.py:2: in <module>
>     from yt.testing import \
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/visualization/tests/test_callbacks.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/tests/test_callbacks.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/visualization/tests/test_color_maps.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/tests/test_color_maps.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/visualization/tests/test_color_maps.py:20: in <module>
>     from yt import show_colormaps, make_colormap
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/visualization/tests/test_export_frb.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/tests/test_export_frb.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/visualization/tests/test_export_frb.py:17: in <module>
>     from yt.testing import \
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/visualization/tests/test_filters.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/tests/test_filters.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/visualization/tests/test_filters.py:13: in <module>
>     from yt.testing import fake_amr_ds, requires_module
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/visualization/tests/test_fits_image.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/tests/test_fits_image.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/visualization/tests/test_fits_image.py:19: in <module>
>     from yt.testing import fake_random_ds, requires_module
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/visualization/tests/test_geo_projections.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/tests/test_geo_projections.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/visualization/tests/test_geo_projections.py:15: in <module>
>     import yt
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/visualization/tests/test_image_writer.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/tests/test_image_writer.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/visualization/tests/test_image_writer.py:19: in <module>
>     from yt.testing import fake_random_ds, assert_equal
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/visualization/tests/test_line_plots.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/tests/test_line_plots.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/visualization/tests/test_line_plots.py:16: in <module>
>     import yt
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/visualization/tests/test_mesh_slices.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/tests/test_mesh_slices.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/visualization/tests/test_mesh_slices.py:16: in <module>
>     import yt
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/visualization/tests/test_offaxisprojection.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/tests/test_offaxisprojection.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/visualization/tests/test_offaxisprojection.py:20: in <module>
>     from yt.visualization.image_writer import write_projection
> yt/visualization/image_writer.py:28: in <module>
>     import yt.utilities.lib.image_utilities as au
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> E   ImportError: cannot import name 'write_bitmap' from partially initialized module 'yt.visualization.image_writer' (most likely due to a circular import) (/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/image_writer.py)
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/visualization/tests/test_particle_plot.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/tests/test_particle_plot.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/visualization/tests/test_particle_plot.py:22: in <module>
>     from yt.data_objects.profiles import create_profile
> yt/data_objects/profiles.py:19: in <module>
>     from yt.frontends.ytdata.utilities import \
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/visualization/tests/test_plotwindow.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/tests/test_plotwindow.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/visualization/tests/test_plotwindow.py:25: in <module>
>     from yt.testing import \
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/visualization/tests/test_profile_plots.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/tests/test_profile_plots.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/visualization/tests/test_profile_plots.py:19: in <module>
>     import yt
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/visualization/tests/test_raw_field_slices.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/tests/test_raw_field_slices.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/visualization/tests/test_raw_field_slices.py:14: in <module>
>     import yt
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/visualization/tests/test_splat.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/tests/test_splat.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/visualization/tests/test_splat.py:20: in <module>
>     import yt
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/tests/test_camera_attributes.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/tests/test_camera_attributes.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/tests/test_composite.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/tests/test_composite.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/tests/test_lenses.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/tests/test_lenses.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/visualization/volume_rendering/tests/test_lenses.py:16: in <module>
>     from yt.testing import fake_random_ds
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/tests/test_mesh_render.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/tests/test_mesh_render.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/visualization/volume_rendering/tests/test_mesh_render.py:14: in <module>
>     from yt.testing import \
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/tests/test_points.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/tests/test_points.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/visualization/volume_rendering/tests/test_points.py:16: in <module>
>     from yt.testing import fake_random_ds
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/tests/test_scene.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/tests/test_scene.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/visualization/volume_rendering/tests/test_scene.py:19: in <module>
>     from yt.testing import \
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/tests/test_sigma_clip.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/tests/test_sigma_clip.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/visualization/volume_rendering/tests/test_sigma_clip.py:17: in <module>
>     import yt
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/tests/test_simple_vr.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/tests/test_simple_vr.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/visualization/volume_rendering/tests/test_simple_vr.py:17: in <module>
>     import yt
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/tests/test_varia.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/tests/test_varia.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/visualization/volume_rendering/tests/test_varia.py:18: in <module>
>     import yt
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/tests/test_vr_cameras.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/tests/test_vr_cameras.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/visualization/volume_rendering/tests/test_vr_cameras.py:20: in <module>
>     from yt.testing import \
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/tests/test_vr_orientation.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/tests/test_vr_orientation.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/visualization/volume_rendering/tests/test_vr_orientation.py:16: in <module>
>     from yt.testing import ANSWER_TEST_TAG, fake_vr_orientation_test_ds
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> _ ERROR collecting .pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/tests/test_zbuff.py _
> ImportError while importing test module '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/visualization/volume_rendering/tests/test_zbuff.py'.
> Hint: make sure your test modules/packages have valid Python names.
> Traceback:
> yt/visualization/volume_rendering/tests/test_zbuff.py:16: in <module>
>     from yt.testing import fake_random_ds
> yt/__init__.py:63: in <module>
>     from yt.fields.api import \
> yt/fields/api.py:19: in <module>
>     from . import angular_momentum
> yt/fields/angular_momentum.py:26: in <module>
>     from .vector_operations import \
> yt/fields/vector_operations.py:32: in <module>
>     from yt.geometry.geometry_handler import \
> yt/geometry/geometry_handler.py:29: in <module>
>     from yt.utilities.parallel_tools.parallel_analysis_interface import \
> yt/utilities/parallel_tools/parallel_analysis_interface.py:30: in <module>
>     from yt.data_objects.image_array import ImageArray
> yt/data_objects/image_array.py:18: in <module>
>     from yt.visualization.image_writer import write_bitmap, write_image
> yt/visualization/image_writer.py:29: in <module>
>     import yt.utilities.png_writer as pw
> yt/utilities/png_writer.py:13: in <module>
>     import matplotlib._png as _png
> E   ModuleNotFoundError: No module named 'matplotlib._png'
> =============================== warnings summary ===============================
> yt/units/yt_array.py:1519
>   /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/units/yt_array.py:1519: DeprecationWarning: invalid escape sequence \ 
>     lut[k] = v + (0.0, r'\rm{' + k.replace('_', '\ ') + '}')
> 
> yt/units/unit_object.py:114
>   /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/units/unit_object.py:114: DeprecationWarning: invalid escape sequence \ 
>     symbol_table[ex] = r"\rm{" + str(ex).replace('_', '\ ') + "}"
> 
> yt/units/unit_lookup_table.py:66
>   /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/units/unit_lookup_table.py:66: DeprecationWarning: invalid escape sequence \c
>     "^\circ\rm{F}"),
> 
> yt/units/unit_registry.py:97
>   /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/units/unit_registry.py:97: DeprecationWarning: invalid escape sequence \ 
>     tex_repr = r"\rm{" + symbol.replace('_', '\ ') + "}"
> 
> yt/units/unit_registry.py:157
>   /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/units/unit_registry.py:157: DeprecationWarning: invalid escape sequence \(
>     repr_dims = re.sub("Symbol\('\([a-z_]*\)'\)",
> 
> yt/fields/derived_field.py:370
> yt/fields/derived_field.py:370
>   /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields/derived_field.py:370: DeprecationWarning: invalid escape sequence \ 
>     label = species_label + '\ ' + roman + '\ ' + \
> 
> yt/fields/derived_field.py:371
>   /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields/derived_field.py:371: DeprecationWarning: invalid escape sequence \ 
>     '\ '.join(segments[ipstr+1:])
> 
> yt/fields/derived_field.py:376
>   /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields/derived_field.py:376: DeprecationWarning: invalid escape sequence \ 
>     label ='{' +species_label+ '}'+ '^{'+sign+'}' + '\ ' + \
> 
> yt/fields/derived_field.py:377
>   /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields/derived_field.py:377: DeprecationWarning: invalid escape sequence \ 
>     '\ '.join(segments[ipstr+1:])
> 
> yt/fields/derived_field.py:393
>   /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields/derived_field.py:393: DeprecationWarning: invalid escape sequence \ 
>     label = label.replace(' ','\ ')
> 
> yt/fields/derived_field.py:388
>   /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields/derived_field.py:388: DeprecationWarning: invalid escape sequence \ 
>     label = r'$\rm{'+fname.replace('_','\ ')+r'}$'
> 
> yt/fields/derived_field.py:391
>   /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields/derived_field.py:391: DeprecationWarning: invalid escape sequence \ 
>     label = r'$\rm{'+self.name[1].replace('_','\ ').title()+r'}$'
> 
> /usr/lib/python3.8/_collections_abc.py:666
>   /usr/lib/python3.8/_collections_abc.py:666: MatplotlibDeprecationWarning: The global colormaps dictionary is no longer considered public API.
>     self[key]
> 
> yt/data_objects/data_containers.py:2675
>   /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/data_objects/data_containers.py:2675: DeprecationWarning: invalid escape sequence \|
>     """
> 
> yt/fields/tests/test_fields.py:418
>   /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields/tests/test_fields.py:418: DeprecationWarning: invalid escape sequence \ 
>     default_labels = {"O_p1_number_density":u"$\\rm{O\ II\ Number\ Density}$",
> 
> yt/fields/tests/test_fields.py:419
>   /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields/tests/test_fields.py:419: DeprecationWarning: invalid escape sequence \ 
>     "O2_p1_number_density":u"$\\rm{O_{2}\ II\ Number\ Density}$",
> 
> yt/fields/tests/test_fields.py:420
>   /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields/tests/test_fields.py:420: DeprecationWarning: invalid escape sequence \ 
>     "CO2_p1_number_density":u"$\\rm{CO_{2}\ II\ Number\ Density}$",
> 
> yt/fields/tests/test_fields.py:421
>   /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields/tests/test_fields.py:421: DeprecationWarning: invalid escape sequence \ 
>     "Co_p1_number_density":u"$\\rm{Co\ II\ Number\ Density}$",
> 
> yt/fields/tests/test_fields.py:422
>   /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields/tests/test_fields.py:422: DeprecationWarning: invalid escape sequence \ 
>     "O2_p2_number_density":u"$\\rm{O_{2}\ III\ Number\ Density}$",
> 
> yt/fields/tests/test_fields.py:423
>   /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields/tests/test_fields.py:423: DeprecationWarning: invalid escape sequence \ 
>     "H2O_p1_number_density":u"$\\rm{H_{2}O\ II\ Number\ Density}$"}
> 
> yt/fields/tests/test_fields.py:425
>   /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields/tests/test_fields.py:425: DeprecationWarning: invalid escape sequence \ 
>     pm_labels = {"O_p1_number_density":u"$\\rm{{O}^{+}\ Number\ Density}$",
> 
> yt/fields/tests/test_fields.py:426
>   /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields/tests/test_fields.py:426: DeprecationWarning: invalid escape sequence \ 
>     "O2_p1_number_density":u"$\\rm{{O_{2}}^{+}\ Number\ Density}$",
> 
> yt/fields/tests/test_fields.py:427
>   /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields/tests/test_fields.py:427: DeprecationWarning: invalid escape sequence \ 
>     "CO2_p1_number_density":u"$\\rm{{CO_{2}}^{+}\ Number\ Density}$",
> 
> yt/fields/tests/test_fields.py:428
>   /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields/tests/test_fields.py:428: DeprecationWarning: invalid escape sequence \ 
>     "Co_p1_number_density":u"$\\rm{{Co}^{+}\ Number\ Density}$",
> 
> yt/fields/tests/test_fields.py:429
>   /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields/tests/test_fields.py:429: DeprecationWarning: invalid escape sequence \ 
>     "O2_p2_number_density":u"$\\rm{{O_{2}}^{++}\ Number\ Density}$",
> 
> yt/fields/tests/test_fields.py:430
>   /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build/yt/fields/tests/test_fields.py:430: DeprecationWarning: invalid escape sequence \ 
>     "H2O_p1_number_density":u"$\\rm{{H_{2}O}^{+}\ Number\ Density}$"}
> 
> -- Docs: https://docs.pytest.org/en/latest/warnings.html
> !!!!!!!!!!!!!!!!!! Interrupted: 163 errors during collection !!!!!!!!!!!!!!!!!!!
> =================== 27 warnings, 163 error in 12.26 seconds ====================
> E: pybuild pybuild:352: test: plugin distutils failed with: exit code=2: cd /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_yt/build; python3.8 -m pytest 
> dh_auto_test: error: pybuild --test --test-pytest -i python{version} -p 3.8 returned exit code 13

The full build log is available from:
   http://qa-logs.debian.net/2020/08/02/yt_3.6.0-3_unstable.log

A list of current common problems and possible solutions is available at
http://wiki.debian.org/qa.debian.org/FTBFS . You're welcome to contribute!

About the archive rebuild: The rebuild was done on EC2 VM instances from
Amazon Web Services, using a clean, minimal and up-to-date chroot. Every
failed build was retried once to eliminate random failures.