/usr/lib/python2.7/dist-packages/openchange/ is in openchangeserver 1:2.2-6+deb8u1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/openchange/__init__.py
/usr/lib/python2.7/dist-packages/openchange/mailbox.py
/usr/lib/python2.7/dist-packages/openchange/provision.py
/usr/lib/python2.7/dist-packages/openchange/tests/
/usr/lib/python2.7/dist-packages/openchange/tests/__init__.py
/usr/lib/python2.7/dist-packages/openchange/tests/test_mailbox.py
/usr/lib/python2.7/dist-packages/openchange/tests/test_provision.py
/usr/lib/python2.7/dist-packages/openchange/urlutils.py
/usr/lib/python2.7/dist-packages/openchange/utils/
/usr/lib/python2.7/dist-packages/openchange/utils/__init__.py
/usr/lib/python2.7/dist-packages/openchange/utils/fdunix.py
/usr/lib/python2.7/dist-packages/openchange/utils/packets.py
/usr/lib/python2.7/dist-packages/openchange/web/
/usr/lib/python2.7/dist-packages/openchange/web/__init__.py
/usr/lib/python2.7/dist-packages/openchange/web/auth/
/usr/lib/python2.7/dist-packages/openchange/web/auth/NTLMAuthHandler.py
/usr/lib/python2.7/dist-packages/openchange/web/auth/__init__.py