Build failed. https://zuul.opendev.org/t/openstack/buildset/bbc93143bd86402c80e08a2ff1d4d2be - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/ca625c1a5dc143c4aa8c9f5232debfc3 : SUCCESS in 6m 20s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/cde567cf4dd34eb2a8ab84547f290347 : FAILURE in 6m 21s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/22c8c265f8284a6892b338e97c9ff0e7 : SUCCESS in 6m 37s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/4ad46f9ca4634c9ba13d4ed536e7a2cc : SUCCESS in 8m 31s