Build failed. https://zuul.opendev.org/t/openstack/buildset/1e3da42e857c4277a4654e17064dab7c - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/2bf41764c2754c1abdef708897159425 : FAILURE in 5m 09s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/dfe5a118a6d94bb3bace82f8e3ecccdf : SUCCESS in 5m 18s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/f9d23ff45ec04850904c5bee774d1679 : SUCCESS in 5m 24s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/0b6f485ff4c640c79c9a960162bb3c2d : SUCCESS in 6m 17s