/usr/lib/python2.7/dist-packages/slimmer-0.1.30.egg-info/SOURCES.txt is in python-slimmer 0.1.30-6.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/slimmer-0.1.30.egg-info/../../../../share/pyshared/slimmer-0.1.30.egg-info/SOURCES.txt