The suds-jurko is a fork[1][2] from the suds project but has been made many changes, OpenStack has explict dependency on the suds-jurko[3]. [1] https://pypi.org/project/suds-jurko/ [2] https://github.com/andersinno/suds-jurko/tree/release-0.6 [3] https://github.com/openstack/requirements/blob/stable/wallaby/global-requirements.txt#L330