/usr/lib/python2.7/dist-packages/pyface-4.0.0.egg-info/requires.txt is in python-pyface 4.0.0-1build1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/pyface-4.0.0.egg-info/../../../../share/pyshared/pyface-4.0.0.egg-info/requires.txt