/usr/lib/python2.7/dist-packages/oslo_messaging/_drivers/zmq_driver/proxy/ is in python-oslo.messaging 5.35.0-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/oslo_messaging/_drivers/zmq_driver/proxy/__init__.py
/usr/lib/python2.7/dist-packages/oslo_messaging/_drivers/zmq_driver/proxy/central/
/usr/lib/python2.7/dist-packages/oslo_messaging/_drivers/zmq_driver/proxy/central/__init__.py
/usr/lib/python2.7/dist-packages/oslo_messaging/_drivers/zmq_driver/proxy/central/zmq_central_proxy.py
/usr/lib/python2.7/dist-packages/oslo_messaging/_drivers/zmq_driver/proxy/central/zmq_publisher_proxy.py
/usr/lib/python2.7/dist-packages/oslo_messaging/_drivers/zmq_driver/proxy/local/
/usr/lib/python2.7/dist-packages/oslo_messaging/_drivers/zmq_driver/proxy/local/__init__.py
/usr/lib/python2.7/dist-packages/oslo_messaging/_drivers/zmq_driver/proxy/local/zmq_local_proxy.py
/usr/lib/python2.7/dist-packages/oslo_messaging/_drivers/zmq_driver/proxy/zmq_base_proxy.py
/usr/lib/python2.7/dist-packages/oslo_messaging/_drivers/zmq_driver/proxy/zmq_proxy.py
/usr/lib/python2.7/dist-packages/oslo_messaging/_drivers/zmq_driver/proxy/zmq_sender.py