/usr/lib/python2.7/dist-packages/sessioninstaller-0.0.0.egg-info is in sessioninstaller 0.20+bzr123-0ubuntu2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/../../../share/pyshared/sessioninstaller-0.0.0.egg-info