/usr/lib/python2.7/dist-packages/gtk-2.0-pysupport-compat.pth is in python-gobject-2 2.28.6-13.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1
/usr/lib/pymodules/python2.7/gtk-2.0/