/usr/lib/python2.7/ is in python-gobject-2 2.28.6-10ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/
/usr/lib/python2.7/dist-packages/gtk-2.0/
/usr/lib/python2.7/dist-packages/gtk-2.0/gio/
/usr/lib/python2.7/dist-packages/gtk-2.0/gio/unix.so
/usr/lib/python2.7/dist-packages/gtk-2.0/gio/_gio.so
/usr/lib/python2.7/dist-packages/gobject/
/usr/lib/python2.7/dist-packages/gobject/_gobject.so
/usr/lib/python2.7/dist-packages/glib/
/usr/lib/python2.7/dist-packages/glib/_glib.so
/usr/lib/python2.7/dist-packages/gtk-2.0/dsextras.py
/usr/lib/python2.7/dist-packages/gtk-2.0/gio/__init__.py
/usr/lib/python2.7/dist-packages/pygtk.py
/usr/lib/python2.7/dist-packages/pygtk.pth
/usr/lib/python2.7/dist-packages/gobject/constants.py
/usr/lib/python2.7/dist-packages/gobject/propertyhelper.py
/usr/lib/python2.7/dist-packages/gobject/__init__.py
/usr/lib/python2.7/dist-packages/gtk-2.0-pysupport-compat.pth
/usr/lib/python2.7/dist-packages/glib/option.py
/usr/lib/python2.7/dist-packages/glib/__init__.py