/usr/lib/python2.7/dist-packages/zope.untrustedpython-4.0.0.egg-info/requires.txt is in python-zope.untrustedpython 4.0.0-0ubuntu3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | RestrictedPython
zope.security
|