/usr/lib/python2.7/dist-packages/oslo_messaging/notify/ is in python-oslo.messaging 5.10.0-2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/oslo_messaging/notify/__init__.py
/usr/lib/python2.7/dist-packages/oslo_messaging/notify/_impl_log.py
/usr/lib/python2.7/dist-packages/oslo_messaging/notify/_impl_messaging.py
/usr/lib/python2.7/dist-packages/oslo_messaging/notify/_impl_noop.py
/usr/lib/python2.7/dist-packages/oslo_messaging/notify/_impl_routing.py
/usr/lib/python2.7/dist-packages/oslo_messaging/notify/_impl_test.py
/usr/lib/python2.7/dist-packages/oslo_messaging/notify/dispatcher.py
/usr/lib/python2.7/dist-packages/oslo_messaging/notify/filter.py
/usr/lib/python2.7/dist-packages/oslo_messaging/notify/listener.py
/usr/lib/python2.7/dist-packages/oslo_messaging/notify/log_handler.py
/usr/lib/python2.7/dist-packages/oslo_messaging/notify/logger.py
/usr/lib/python2.7/dist-packages/oslo_messaging/notify/messaging.py
/usr/lib/python2.7/dist-packages/oslo_messaging/notify/middleware.py
/usr/lib/python2.7/dist-packages/oslo_messaging/notify/notifier.py