Comment 25 for bug 1437407

Change abandoned by Samuel de Medeiros Queiroz (<email address hidden>) on branch: master
Review: https://review.openstack.org/180846
Reason: This has already been fixed by [1] and [2].

[1] https://review.openstack.org/#/q/topic:bp/list-assignment-subtree
[2] https://review.openstack.org/#/c/188184/