/usr/lib/python2.7/dist-packages/x2go-0.1.1.8.egg-info/SOURCES.txt is in python-x2go 0.1.1.8-0ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/x2go-0.1.1.8.egg-info/../../../../share/pyshared/x2go-0.1.1.8.egg-info/SOURCES.txt