/usr/lib/python2.6/dist-packages/sleekxmpp/exceptions.py is in python-sleekxmpp 1.0~beta5-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.6/dist-packages/sleekxmpp/../../../../share/pyshared/sleekxmpp/exceptions.py