/usr/lib/python2.7/dist-packages/archipelcore/archipelRosterQueryableEntity.py is in archipel-core 0.6.0-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/archipelcore/../../../../share/pyshared/archipelcore/archipelRosterQueryableEntity.py