[Python-modules-team] Bug#893242: python-pygit2 FTBFS with dh-python 3.20180313

[Adrian Bunk]

Package: dh-python
Version: 3.20180313
Severity: serious
Control: affects -1 src:python-pygit2

https://tests.reproducible-builds.org/debian/rb-pkg/unstable/amd64/python-pygit2.html

...
I: pybuild base:215: python3.6 setup.py test 
running test
running build
running build_py
running build_ext
generating cffi module 'build/temp.linux-amd64-3.6/pygit2._libgit2.c'
already up-to-date
Traceback (most recent call last):
  File "setup.py", line 202, in <module>
    **extra_args)
  File "/usr/lib/python3/dist-packages/setuptools/__init__.py", line 129, in setup
    return distutils.core.setup(**attrs)
  File "/usr/lib/python3.6/distutils/core.py", line 148, in setup
    dist.run_commands()
  File "/usr/lib/python3.6/distutils/dist.py", line 955, in run_commands
    self.run_command(cmd)
  File "/usr/lib/python3.6/distutils/dist.py", line 974, in run_command
    cmd_obj.run()
  File "setup.py", line 99, in run
    unittest.main(None, defaultTest='test.test_suite', argv=test_argv)
  File "/usr/lib/python3.6/unittest/main.py", line 94, in __init__
    self.parseArgs(argv)
  File "/usr/lib/python3.6/unittest/main.py", line 124, in parseArgs
    self._do_discovery([])
  File "/usr/lib/python3.6/unittest/main.py", line 229, in _do_discovery
    self.test = loader.discover(self.start, self.pattern, self.top)
  File "/usr/lib/python3.6/unittest/loader.py", line 341, in discover
    tests = list(self._find_tests(start_dir, pattern))
  File "/usr/lib/python3.6/unittest/loader.py", line 406, in _find_tests
    yield from self._find_tests(full_path, pattern, namespace)
  File "/usr/lib/python3.6/unittest/loader.py", line 398, in _find_tests
    full_path, pattern, namespace)
  File "/usr/lib/python3.6/unittest/loader.py", line 451, in _find_test_path
    msg % (mod_name, module_dir, expected_dir))
ImportError: 'test_archive' module incorrectly imported from '/build/1st/python-pygit2-0.26.3/.pybuild/cpython3_3.6_pygit2/build/test'. Expected '/build/1st/python-pygit2-0.26.3/test'. Is this module globally installed?
E: pybuild pybuild:323: test: plugin distutils failed with: exit code=1: python3.6 setup.py test 
dh_auto_test: pybuild --test -i python{version} -p 3.6 returned exit code 13
make: *** [debian/rules:8: build] Error 25


I do not know in which package the actual bug is.