/usr/lib/python2.7/dist-packages/txzmq/ is in python-txzmq 0.7.3-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/txzmq/__init__.py
/usr/lib/python2.7/dist-packages/txzmq/connection.py
/usr/lib/python2.7/dist-packages/txzmq/factory.py
/usr/lib/python2.7/dist-packages/txzmq/pubsub.py
/usr/lib/python2.7/dist-packages/txzmq/pushpull.py
/usr/lib/python2.7/dist-packages/txzmq/req_rep.py
/usr/lib/python2.7/dist-packages/txzmq/router_dealer.py
/usr/lib/python2.7/dist-packages/txzmq/test/
/usr/lib/python2.7/dist-packages/txzmq/test/__init__.py
/usr/lib/python2.7/dist-packages/txzmq/test/test_connection.py
/usr/lib/python2.7/dist-packages/txzmq/test/test_factory.py
/usr/lib/python2.7/dist-packages/txzmq/test/test_pubsub.py
/usr/lib/python2.7/dist-packages/txzmq/test/test_reqrep.py
/usr/lib/python2.7/dist-packages/txzmq/test/test_router_dealer.py