Build failed. https://zuul.opendev.org/t/openstack/buildset/9a4fe1a06a4c459fbd87d5d4a69ace09 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/b6b369b761024b30a883a557615ebbe9 : FAILURE in 3m 13s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/9414540dae5546159534c139795dcdcd : SUCCESS in 4m 25s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/81e6c2d3e161481d84eb8281343a7ceb : SUCCESS in 3m 39s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/ef01a32dc6c544378f03a7e841532ff8 : SUCCESS in 3m 11s