/usr/lib/python2.7/dist-packages/pyew/gcluster.py is in pyew 2.0-3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/pyew/../../../../share/pyshared/pyew/gcluster.py
/usr/lib/python2.7/dist-packages/pyew/../../../../share/pyshared/pyew/gcluster.py