/usr/lib/python2.7/dist-packages/zope.minmax-1.1.2.egg-info/SOURCES.txt is in python-zope.minmax 1.1.2-0ubuntu5.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/zope.minmax-1.1.2.egg-info/../../../../share/pyshared/zope.minmax-1.1.2.egg-info/SOURCES.txt