/usr/lib/python2.7/dist-packages/PyGreSQL-4.0.egg-info is in python-pygresql 1:4.0-3.1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/../../../share/pyshared/PyGreSQL-4.0.egg-info