[Debian-astro-maintainers] Bug#895220: astroml: autopkgtest fails since python3.6 dropped depends on python3-distutils

[Paul Gevers]

Source: astroml
Version: 0.3-7
Severity: normal
User: ci-team at tracker.debian.org
Usertags: regression

Since the upload of python3.6 version 3.6.5~rc1-2, it doesn't depend on
python3-distutils anymore. Your autopkgtest¹ fails since than with the
following error:
======================================================================
ERROR: Failure: ModuleNotFoundError (No module named 'distutils')
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/nose/failure.py", line 39, in runTest
    raise self.exc_val.with_traceback(self.tb)
  File "/usr/lib/python3/dist-packages/nose/loader.py", line 417, in
loadTestsFromName
    addr.filename, addr.module)
  File "/usr/lib/python3/dist-packages/nose/importer.py", line 47, in
importFromPath
    return self.importFromDir(dir_path, fqname)
  File "/usr/lib/python3/dist-packages/nose/importer.py", line 94, in
importFromDir
    mod = load_module(part_fqname, fh, filename, desc)
  File "/usr/lib/python3.6/imp.py", line 245, in load_module
    return load_package(name, filename)
  File "/usr/lib/python3.6/imp.py", line 217, in load_package
    return _load(spec)
  File "<frozen importlib._bootstrap>", line 684, in _load
  File "<frozen importlib._bootstrap>", line 665, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 678, in exec_module
  File "<frozen importlib._bootstrap>", line 219, in
_call_with_frames_removed
  File "/usr/lib/python3/dist-packages/astroML/plotting/__init__.py",
line 1, in <module>
    from .hist_tools import hist
  File "/usr/lib/python3/dist-packages/astroML/plotting/hist_tools.py",
line 5, in <module>
    from astroML.density_estimation import\
  File
"/usr/lib/python3/dist-packages/astroML/density_estimation/__init__.py",
line 1, in <module>
    from .density_estimation import KDE, KNeighborsDensity
  File
"/usr/lib/python3/dist-packages/astroML/density_estimation/density_estimation.py",
line 13, in <module>
    from sklearn.metrics import pairwise_kernels, pairwise_distances
  File "/usr/lib/python3/dist-packages/sklearn/metrics/__init__.py",
line 7, in <module>
    from .ranking import auc
  File "/usr/lib/python3/dist-packages/sklearn/metrics/ranking.py", line
27, in <module>
    from ..utils import assert_all_finite
  File "/usr/lib/python3/dist-packages/sklearn/utils/__init__.py", line
11, in <module>
    from .validation import (as_float_array,
  File "/usr/lib/python3/dist-packages/sklearn/utils/validation.py",
line 23, in <module>
    from ..externals.joblib import Memory
  File
"/usr/lib/python3/dist-packages/sklearn/externals/joblib/__init__.py",
line 3, in <module>
    import joblib
  File "/usr/lib/python3/dist-packages/joblib/__init__.py", line 121, in
<module>
    from .memory import Memory, MemorizedResult
  File "/usr/lib/python3/dist-packages/joblib/memory.py", line 37, in
<module>
    from . import numpy_pickle
  File "/usr/lib/python3/dist-packages/joblib/numpy_pickle.py", line 29,
in <module>
    from .backports import make_memmap
  File "/usr/lib/python3/dist-packages/joblib/backports.py", line 9, in
<module>
    from distutils.version import LooseVersion
ModuleNotFoundError: No module named 'distutils'

I don't know if this is an issue of the test (adding the dependency
there can fix the issue) or if the dependencies of your package need
updating.

There are rumors that one shouldn't use distutils as a runtime
dependency and one should use sysconfig instead.

Paul

¹ https://ci.debian.net/packages/a/astroml/unstable/amd64/

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