/usr/lib/python3/dist-packages/fixtures/tests/_fixtures/ is in python3-fixtures 3.0.0-2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python3/dist-packages/fixtures/tests/_fixtures/__init__.py
/usr/lib/python3/dist-packages/fixtures/tests/_fixtures/test_environ.py
/usr/lib/python3/dist-packages/fixtures/tests/_fixtures/test_logger.py
/usr/lib/python3/dist-packages/fixtures/tests/_fixtures/test_mockpatch.py
/usr/lib/python3/dist-packages/fixtures/tests/_fixtures/test_monkeypatch.py
/usr/lib/python3/dist-packages/fixtures/tests/_fixtures/test_packagepath.py
/usr/lib/python3/dist-packages/fixtures/tests/_fixtures/test_popen.py
/usr/lib/python3/dist-packages/fixtures/tests/_fixtures/test_pythonpackage.py
/usr/lib/python3/dist-packages/fixtures/tests/_fixtures/test_pythonpath.py
/usr/lib/python3/dist-packages/fixtures/tests/_fixtures/test_streams.py
/usr/lib/python3/dist-packages/fixtures/tests/_fixtures/test_tempdir.py
/usr/lib/python3/dist-packages/fixtures/tests/_fixtures/test_temphomedir.py
/usr/lib/python3/dist-packages/fixtures/tests/_fixtures/test_timeout.py
/usr/lib/python3/dist-packages/fixtures/tests/_fixtures/test_warnings.py