[Python-modules-team] Bug#881264: subliminal: FTBFS and Debci failure with stevedore 1.25.0-2

[Adrian Bunk]

Source: subliminal
Version: 1.1.1-2
Severity: serious
Tags: buster sid

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

...
   debian/rules override_dh_installman
make[1]: Entering directory '/build/1st/subliminal-1.1.1'
PYTHONPATH=. help2man -L C.UTF-8 -N -n 'tool to search and download subtitles' debian/subliminal/usr/bin/subliminal > debian/subliminal.1
help2man: can't get `--help' info from debian/subliminal/usr/bin/subliminal
Try `--no-discard-stderr' if option outputs to stderr
debian/rules:30: recipe for target 'override_dh_installman' failed
make[1]: *** [override_dh_installman] Error 2



Root problem:

$ PYTHONPATH=. debian/subliminal/usr/bin/subliminal --help
Traceback (most recent call last):
  File "debian/subliminal/usr/bin/subliminal", line 11, in <module>
    load_entry_point('subliminal==1.1.1', 'console_scripts', 'subliminal')()
  File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 570, in load_entry_point
    return get_distribution(dist).load_entry_point(group, name)
  File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 2755, in load_entry_point
    return ep.load()
  File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 2409, in load
    return self.resolve()
  File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 2415, in resolve
    module = __import__(self.module_name, fromlist=['__name__'], level=0)
  File "/tmp/subliminal-1.1.1/subliminal/__init__.py", line 10, in <module>
    from .api import (ProviderPool, check_video, provider_manager, download_best_subtitles, download_subtitles,
  File "/tmp/subliminal-1.1.1/subliminal/api.py", line 13, in <module>
    from .subtitle import compute_score, get_subtitle_path
  File "/tmp/subliminal-1.1.1/subliminal/subtitle.py", line 7, in <module>
    from guessit.matchtree import MatchTree
  File "/usr/lib/python3/dist-packages/guessit/__init__.py", line 99, in <module>
    from guessit.plugins import transformers
  File "/usr/lib/python3/dist-packages/guessit/plugins/transformers.py", line 222, in <module>
    reload()
  File "/usr/lib/python3/dist-packages/guessit/plugins/transformers.py", line 220, in reload
    reload_options(all_transformers())
  File "/usr/lib/python3/dist-packages/guessit/plugins/transformers.py", line 179, in all_transformers
    return _extensions.objects()
  File "/usr/lib/python3/dist-packages/guessit/plugins/transformers.py", line 111, in objects
    return self.map(self._get_obj)
  File "/usr/lib/python3/dist-packages/stevedore/extension.py", line 252, in map
    raise NoMatches('No %s extensions found' % self.namespace)
stevedore.exception.NoMatches: No guessit.transformer extensions found
$