/usr/lib/python2.7/dist-packages/django_social_auth-0.7.23.egg-info/SOURCES.txt is in python-django-social-auth 0.7.23-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/django_social_auth-0.7.23.egg-info/../../../../share/pyshared/django_social_auth-0.7.23.egg-info/SOURCES.txt