[Debian-astro-maintainers] Bug#873511: yt FTBFS with Cython 0.26

[Adrian Bunk]

Source: yt
Version: 3.3.3-2
Severity: serious

https://tests.reproducible-builds.org/debian/rb-pkg/unstable/amd64/yt.html

...
[26/44] Cythonizing yt/utilities/lib/origami.pyx
[27/44] Cythonizing yt/utilities/lib/particle_mesh_operations.pyx
Traceback (most recent call last):
  File "setup.py", line 374, in <module>
    ext_modules=cython_extensions + extensions,
  File "/usr/lib/python2.7/distutils/core.py", line 151, in setup
    dist.run_commands()
  File "/usr/lib/python2.7/distutils/dist.py", line 953, in run_commands
    self.run_command(cmd)
  File "/usr/lib/python2.7/distutils/dist.py", line 972, in run_command
    cmd_obj.run()
  File "/usr/lib/python2.7/distutils/command/build.py", line 128, in run
    self.run_command(cmd_name)
  File "/usr/lib/python2.7/distutils/cmd.py", line 326, in run_command
    self.distribution.run_command(command)
  File "/usr/lib/python2.7/distutils/dist.py", line 972, in run_command
    cmd_obj.run()
  File "setup.py", line 296, in run
    _build_py.run(self)
  File "/usr/lib/python2.7/dist-packages/setuptools/command/build_py.py", line 53, in run
    self.build_package_data()
  File "/usr/lib/python2.7/dist-packages/setuptools/command/build_py.py", line 118, in build_package_data
    for package, src_dir, build_dir, filenames in self.data_files:
  File "/usr/lib/python2.7/dist-packages/setuptools/command/build_py.py", line 66, in __getattr__
    self.data_files = self._get_data_files()
  File "/usr/lib/python2.7/dist-packages/setuptools/command/build_py.py", line 82, in _get_data_files
    self.analyze_manifest()
  File "/usr/lib/python2.7/dist-packages/setuptools/command/build_py.py", line 138, in analyze_manifest
    self.run_command('egg_info')
  File "/usr/lib/python2.7/distutils/cmd.py", line 326, in run_command
    self.distribution.run_command(command)
  File "/usr/lib/python2.7/distutils/dist.py", line 972, in run_command
    cmd_obj.run()
  File "/usr/lib/python2.7/dist-packages/setuptools/command/egg_info.py", line 280, in run
    self.find_sources()
  File "/usr/lib/python2.7/dist-packages/setuptools/command/egg_info.py", line 295, in find_sources
    mm.run()
  File "/usr/lib/python2.7/dist-packages/setuptools/command/egg_info.py", line 526, in run
    self.add_defaults()
  File "/usr/lib/python2.7/dist-packages/setuptools/command/egg_info.py", line 562, in add_defaults
    sdist.add_defaults(self)
  File "/usr/lib/python2.7/dist-packages/setuptools/command/py36compat.py", line 36, in add_defaults
    self._add_defaults_ext()
  File "/usr/lib/python2.7/dist-packages/setuptools/command/py36compat.py", line 119, in _add_defaults_ext
    build_ext = self.get_finalized_command('build_ext')
  File "/usr/lib/python2.7/distutils/cmd.py", line 312, in get_finalized_command
    cmd_obj.ensure_finalized()
  File "/usr/lib/python2.7/distutils/cmd.py", line 109, in ensure_finalized
    self.finalize_options()
  File "setup.py", line 304, in finalize_options
    self.distribution.ext_modules)
  File "/usr/lib/python2.7/dist-packages/Cython/Build/Dependencies.py", line 1016, in cythonize
    cythonize_one(*args)
  File "/usr/lib/python2.7/dist-packages/Cython/Build/Dependencies.py", line 1138, in cythonize_one
    raise CompileError(None, pyx_file)
Cython.Compiler.Errors.CompileError: yt/utilities/lib/particle_mesh_operations.pyx
E: pybuild pybuild:283: build: plugin distutils failed with: exit code=1: /usr/bin/python setup.py build 
dh_auto_build: pybuild --build --test-nose -i python{version} -p 2.7 returned exit code 13
debian/rules:8: recipe for target 'build' failed
make: *** [build] Error 25