/usr/lib/python2.7/dist-packages/apptools/persistence/ is in python-apptools 4.3.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/apptools/persistence/__init__.py
/usr/lib/python2.7/dist-packages/apptools/persistence/file_path.py
/usr/lib/python2.7/dist-packages/apptools/persistence/project_loader.py
/usr/lib/python2.7/dist-packages/apptools/persistence/spickle.py
/usr/lib/python2.7/dist-packages/apptools/persistence/state_pickler.py
/usr/lib/python2.7/dist-packages/apptools/persistence/tests/
/usr/lib/python2.7/dist-packages/apptools/persistence/tests/test_file_path.py
/usr/lib/python2.7/dist-packages/apptools/persistence/tests/test_spickle.py
/usr/lib/python2.7/dist-packages/apptools/persistence/tests/test_state_pickler.py
/usr/lib/python2.7/dist-packages/apptools/persistence/tests/test_version_registry.py
/usr/lib/python2.7/dist-packages/apptools/persistence/updater.py
/usr/lib/python2.7/dist-packages/apptools/persistence/version_registry.py
/usr/lib/python2.7/dist-packages/apptools/persistence/versioned_unpickler.py