Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/c08079d1491342b0849546618ba00370 : SUCCESS in 3m 51s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/704a9160e9ea496ca5fb4d090a542215 : FAILURE in 4m 53s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/894b957a6eaa4289be4904a24863c386 : SUCCESS in 4m 15s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/7b772127c4a54413b408faf1404620de : SUCCESS in 5m 06s