/usr/lib/ is in python-mock-services 0.3-0ubuntu2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/
/usr/lib/python2.7/dist-packages/
/usr/lib/python2.7/dist-packages/mock_services/
/usr/lib/python2.7/dist-packages/mock_services/__init__.py
/usr/lib/python2.7/dist-packages/mock_services/decorators.py
/usr/lib/python2.7/dist-packages/mock_services/exceptions.py
/usr/lib/python2.7/dist-packages/mock_services/helpers.py
/usr/lib/python2.7/dist-packages/mock_services/http_mock.py
/usr/lib/python2.7/dist-packages/mock_services/rules.py
/usr/lib/python2.7/dist-packages/mock_services/service.py
/usr/lib/python2.7/dist-packages/mock_services/storage.py
/usr/lib/python2.7/dist-packages/mock_services-0.3.egg-info/
/usr/lib/python2.7/dist-packages/mock_services-0.3.egg-info/PKG-INFO
/usr/lib/python2.7/dist-packages/mock_services-0.3.egg-info/dependency_links.txt
/usr/lib/python2.7/dist-packages/mock_services-0.3.egg-info/requires.txt
/usr/lib/python2.7/dist-packages/mock_services-0.3.egg-info/top_level.txt