/usr/lib/python2.7/dist-packages/twisted/runner/ is in python-twisted-runner 13.2.0-1ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/twisted/runner/__init__.py
/usr/lib/python2.7/dist-packages/twisted/runner/_version.py
/usr/lib/python2.7/dist-packages/twisted/runner/inetd.py
/usr/lib/python2.7/dist-packages/twisted/runner/inetdconf.py
/usr/lib/python2.7/dist-packages/twisted/runner/inetdtap.py
/usr/lib/python2.7/dist-packages/twisted/runner/portmap.c
/usr/lib/python2.7/dist-packages/twisted/runner/portmap.so
/usr/lib/python2.7/dist-packages/twisted/runner/procmon.py
/usr/lib/python2.7/dist-packages/twisted/runner/procmontap.py
/usr/lib/python2.7/dist-packages/twisted/runner/test/
/usr/lib/python2.7/dist-packages/twisted/runner/test/__init__.py
/usr/lib/python2.7/dist-packages/twisted/runner/test/test_procmon.py
/usr/lib/python2.7/dist-packages/twisted/runner/test/test_procmontap.py