Build failed. https://zuul.opendev.org/t/openstack/buildset/6396decd5ff24692834505457aaaa541 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/45e9480582334a108771ad13d6c8ae0d : SUCCESS in 3m 12s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/d0f68c9dedaf4832bcbf171223c364ab : SUCCESS in 8m 23s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/70eec9f31e1c4c30a0bdbd5be77d5d1f : FAILURE in 2m 55s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/34c5c3d9f8f044749b9c5b02cab0f548 : FAILURE in 2m 32s