Build failed. https://zuul.opendev.org/t/openstack/buildset/7f6bf62ca6544f58905e30569c9a1d23 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/bf69397f07f9479bb308be9995ca864c : SUCCESS in 4m 51s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/29d30845c76f42ea8a61540ae062c6d9 : SUCCESS in 4m 50s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/66ddc42c0ac94df28386ceb6e64c6545 : SUCCESS in 5m 30s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/a79eea4075564bbfb997936903f4b7a2 : FAILURE in 4m 35s