/usr/lib/python3/dist-packages/plainbox/impl/unit/ is in python3-plainbox 0.25-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python3/dist-packages/plainbox/impl/unit/__init__.py
/usr/lib/python3/dist-packages/plainbox/impl/unit/_legacy.py
/usr/lib/python3/dist-packages/plainbox/impl/unit/category.py
/usr/lib/python3/dist-packages/plainbox/impl/unit/exporter.py
/usr/lib/python3/dist-packages/plainbox/impl/unit/file.py
/usr/lib/python3/dist-packages/plainbox/impl/unit/job.py
/usr/lib/python3/dist-packages/plainbox/impl/unit/manifest.py
/usr/lib/python3/dist-packages/plainbox/impl/unit/packaging.py
/usr/lib/python3/dist-packages/plainbox/impl/unit/template.py
/usr/lib/python3/dist-packages/plainbox/impl/unit/test_category.py
/usr/lib/python3/dist-packages/plainbox/impl/unit/test_exporter.py
/usr/lib/python3/dist-packages/plainbox/impl/unit/test_file.py
/usr/lib/python3/dist-packages/plainbox/impl/unit/test_init.py
/usr/lib/python3/dist-packages/plainbox/impl/unit/test_job.py
/usr/lib/python3/dist-packages/plainbox/impl/unit/test_packging.py
/usr/lib/python3/dist-packages/plainbox/impl/unit/test_template.py
/usr/lib/python3/dist-packages/plainbox/impl/unit/test_testplan.py
/usr/lib/python3/dist-packages/plainbox/impl/unit/test_unit.py
/usr/lib/python3/dist-packages/plainbox/impl/unit/test_unit_with_id.py
/usr/lib/python3/dist-packages/plainbox/impl/unit/test_validators.py
/usr/lib/python3/dist-packages/plainbox/impl/unit/testplan.py
/usr/lib/python3/dist-packages/plainbox/impl/unit/unit.py
/usr/lib/python3/dist-packages/plainbox/impl/unit/unit_with_id.py
/usr/lib/python3/dist-packages/plainbox/impl/unit/validators.py