/usr/lib/python2.7/dist-packages/zope.app.broken-3.6.0.egg-info/not-zip-safe is in python-zope.app.broken 3.6.0-0ubuntu3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/zope.app.broken-3.6.0.egg-info/../../../../share/pyshared/zope.app.broken-3.6.0.egg-info/not-zip-safe