Build failed. https://zuul.opendev.org/t/openstack/buildset/412fae65addf4a6d91509e0fc71eceb3 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/104f697188c24202bb2d601356a093f5 : FAILURE in 6m 30s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/ba7cba3f75744563998005db71e654ec : SUCCESS in 7m 35s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/962f4fe1afca4eb5b6679214cc3aa845 : SUCCESS in 5m 53s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/07a3515959cd46468b22887b604b62a5 : SUCCESS in 7m 16s