/usr/lib/python2.7/dist-packages/oauth-1.0.1.egg-info/SOURCES.txt is in python-oauth 1.0.1-3build1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/oauth-1.0.1.egg-info/../../../../share/pyshared/oauth-1.0.1.egg-info/SOURCES.txt