/usr/lib/python2.7/dist-packages/launchpadlib-1.9.12.egg-info/SOURCES.txt is in python-launchpadlib 1.9.12-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/launchpadlib-1.9.12.egg-info/../../../../share/pyshared/launchpadlib-1.9.12.egg-info/SOURCES.txt