Build failed. https://zuul.opendev.org/t/openstack/buildset/52bd5fc82c3e4955a4b786a52801f370 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/47cb6fac0e3e430b96c9510a4bc37162 : FAILURE in 8m 04s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/efc69d1c787448c88a2e5ebc38bb7ff3 : FAILURE in 6m 39s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/8fb141a6e1044b41bc212afa650ad920 : FAILURE in 6m 57s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/7f869ba68e0546828bf794a8d80dfd8e : FAILURE in 4m 52s