Build failed. https://zuul.opendev.org/t/openstack/buildset/63fdfa8eb6204013959b4ff8d2ba5d66 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/0f53ca09b05d4ff9951390db743ad7e6 : SUCCESS in 4m 29s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/0fc1694589e94b57b552725e53222773 : SUCCESS in 5m 33s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/8b28bae19929471a8bf0d9e0a354b0b5 : SUCCESS in 4m 35s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/a7475e07730a4303af5c7aa0d64996da : FAILURE in 4m 17s