Build failed. https://zuul.opendev.org/t/openstack/buildset/c05698b2bebd4a7da370141cedca747f - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/1ce7de0eda3149fa98d22071dd1ecbc7 : SUCCESS in 4m 16s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/be3f5c65724f46f8a18efadeecf60408 : FAILURE in 4m 30s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/e766321d96f84184ac73c665d7461131 : SUCCESS in 4m 38s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/8cbc425c631a4609b440ced7072e4649 : SUCCESS in 6m 53s