Build failed. https://zuul.opendev.org/t/openstack/buildset/5786012c68ec4d7a85e2ce1fb080bc8f - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/48291b7f973e489183d9351b046959f7 : FAILURE in 5m 14s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/2789ce4b446f49e2a656290c4565b68e : SUCCESS in 4m 46s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/05061f13dafe47a9bf0296c4d84d5ead : SUCCESS in 5m 01s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/6de9e469feb44ce1b54f6fe1c8ed139d : SUCCESS in 5m 09s