/usr/lib/pyshared/ is in python-zmq 2.1.11-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/pyshared/python2.7/
/usr/lib/pyshared/python2.7/zmq/
/usr/lib/pyshared/python2.7/zmq/core/
/usr/lib/pyshared/python2.7/zmq/core/constants.so
/usr/lib/pyshared/python2.7/zmq/core/context.so
/usr/lib/pyshared/python2.7/zmq/core/device.so
/usr/lib/pyshared/python2.7/zmq/core/error.so
/usr/lib/pyshared/python2.7/zmq/core/message.so
/usr/lib/pyshared/python2.7/zmq/core/poll.so
/usr/lib/pyshared/python2.7/zmq/core/socket.so
/usr/lib/pyshared/python2.7/zmq/core/stopwatch.so
/usr/lib/pyshared/python2.7/zmq/core/version.so
/usr/lib/pyshared/python2.7/zmq/devices/
/usr/lib/pyshared/python2.7/zmq/devices/monitoredqueue.so
/usr/lib/pyshared/python2.7/zmq/utils/
/usr/lib/pyshared/python2.7/zmq/utils/initthreads.so
/usr/lib/pyshared/python2.7/zmq/utils/rebuffer.so