/usr/lib/python2.7/dist-packages/hotot/gtknotification.py is in hotot-gtk 1:0.9.8.14-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/hotot/../../../../share/pyshared/hotot/gtknotification.py