Build failed. https://zuul.opendev.org/t/openstack/buildset/e5ce4eadd8e743eb82bc4fbe5474f5f6 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/15d08c844e084d74af8e5571938b1d24 : FAILURE in 7m 41s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/84fefff8a1b647d1a0eff7b960038b9b : SUCCESS in 4m 49s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/a23c88d22789400ebf3a2956f9b07698 : SUCCESS in 6m 39s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/ab7d9096dbe24ec5a78da0d5415b3808 : SUCCESS in 6m 28s