/usr/lib/python2.7/dist-packages/pytools-2011.5.egg-info/dependency_links.txt is in python-pytools 2011.5-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/pytools-2011.5.egg-info/../../../../share/pyshared/pytools-2011.5.egg-info/dependency_links.txt