Build failed. https://zuul.opendev.org/t/openstack/buildset/0c79526cb3284d4dbc4248d19ecce500 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/54a646a033c7425491db599f36092b5f : FAILURE in 6m 37s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/5c41b204cddf4c43929b266d7216237b : SUCCESS in 6m 23s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/1cc514c3d2454d8ead2fecb83cb9df61 : SUCCESS in 6m 29s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/dca9f1c2e9704d7f8d54d364ebfd621d : SUCCESS in 9m 51s