Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/bbd9aea611aa4169997fbf1b352fce74 : FAILURE in 4m 42s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/12854003ce61410c9dda232bafcdb0dd : SUCCESS in 11m 26s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/e63da49986504a29909c6c1f35f6c424 : SUCCESS in 14m 37s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/712899541af24993b9b909813d73c789 : SUCCESS in 15m 51s