Build failed. https://zuul.opendev.org/t/openstack/buildset/545604b8a8c4445d8038fbb191d3af36 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d81656a2bc0d4d7ba452eb89babb5203 : FAILURE in 4m 12s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/0438725be49644d8a4fd169fceb56e74 : SUCCESS in 3m 26s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/d5d3ac7f4a854304be1a27b2ee2bb4c2 : SUCCESS in 3m 11s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/16854d5335264730abfc633c59484f6b : SUCCESS in 4m 28s