Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/24f39981b256475895d4a2bf94fd72ac : SUCCESS in 14m 19s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/c11fde05fadc47c7b5d9c1b0325e5b3f : FAILURE in 3m 42s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/730019ed7b3a4706a5323cfc7d49392d : SUCCESS in 6m 40s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/5135cebc3abd49d3a890e46e73bf8476 : SUCCESS in 8m 33s