/usr/lib/python2.7/dist-packages/autobahn/twisted/ is in python-autobahn 0.10.3+dfsg1-5.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/autobahn/twisted/__init__.py
/usr/lib/python2.7/dist-packages/autobahn/twisted/choosereactor.py
/usr/lib/python2.7/dist-packages/autobahn/twisted/flashpolicy.py
/usr/lib/python2.7/dist-packages/autobahn/twisted/forwarder.py
/usr/lib/python2.7/dist-packages/autobahn/twisted/longpoll.py
/usr/lib/python2.7/dist-packages/autobahn/twisted/rawsocket.py
/usr/lib/python2.7/dist-packages/autobahn/twisted/resource.py
/usr/lib/python2.7/dist-packages/autobahn/twisted/util.py
/usr/lib/python2.7/dist-packages/autobahn/twisted/wamp.py
/usr/lib/python2.7/dist-packages/autobahn/twisted/websocket.py