/usr/lib/python2.7/dist-packages/hacking/checks/ is in python-hacking 0.12.0-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/hacking/checks/__init__.py
/usr/lib/python2.7/dist-packages/hacking/checks/comments.py
/usr/lib/python2.7/dist-packages/hacking/checks/dictlist.py
/usr/lib/python2.7/dist-packages/hacking/checks/docstrings.py
/usr/lib/python2.7/dist-packages/hacking/checks/except_checks.py
/usr/lib/python2.7/dist-packages/hacking/checks/imports.py
/usr/lib/python2.7/dist-packages/hacking/checks/localization.py
/usr/lib/python2.7/dist-packages/hacking/checks/other.py
/usr/lib/python2.7/dist-packages/hacking/checks/python23.py
/usr/lib/python2.7/dist-packages/hacking/checks/vim_check.py