/usr/lib/python2.7/dist-packages/keystoneauth1/exceptions/ is in python-keystoneauth1 3.4.0-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/keystoneauth1/exceptions/__init__.py
/usr/lib/python2.7/dist-packages/keystoneauth1/exceptions/auth.py
/usr/lib/python2.7/dist-packages/keystoneauth1/exceptions/auth_plugins.py
/usr/lib/python2.7/dist-packages/keystoneauth1/exceptions/base.py
/usr/lib/python2.7/dist-packages/keystoneauth1/exceptions/catalog.py
/usr/lib/python2.7/dist-packages/keystoneauth1/exceptions/connection.py
/usr/lib/python2.7/dist-packages/keystoneauth1/exceptions/discovery.py
/usr/lib/python2.7/dist-packages/keystoneauth1/exceptions/http.py
/usr/lib/python2.7/dist-packages/keystoneauth1/exceptions/oidc.py
/usr/lib/python2.7/dist-packages/keystoneauth1/exceptions/response.py
/usr/lib/python2.7/dist-packages/keystoneauth1/exceptions/service_providers.py