Build failed. https://zuul.opendev.org/t/openstack/buildset/d92db6125c784163bc993109e9c1be42 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/c770436fc13548a69d80fe493af02f57 : FAILURE in 5m 18s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/970ae22d789345cba011528c333c4e33 : SUCCESS in 5m 42s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/a362414508924c87a887be4928124f89 : SUCCESS in 4m 30s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/7a8b39ad2eee4cbb9fed4903de4a3024 : SUCCESS in 4m 55s