Build failed. https://zuul.opendev.org/t/openstack/buildset/69d203ee940e4307adea93327db6558b - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/7af7cdc1455740189843ba8251a982ef : SUCCESS in 4m 33s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/60eecaa25922459db04c4a51c921e999 : SUCCESS in 4m 33s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/d026493d76ab4dc995eaa264f40eb0c5 : SUCCESS in 4m 37s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/99f6351f79694ee89e19228cefa50c45 : FAILURE in 4m 15s