/usr/lib/python2.7/dist-packages/swap/cwm.py is in python-swap 1.2.1-5.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/swap/../../../../share/pyshared/swap/cwm.py
/usr/lib/python2.7/dist-packages/swap/../../../../share/pyshared/swap/cwm.py