Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/03674e43a7d8447ebda7c1bb5b95682b : SUCCESS in 4m 19s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/e642ae72dbb64b668f568f42eaa1de90 : FAILURE in 3m 53s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/74988033b00047c8b7b3713009b81948 : SUCCESS in 4m 27s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/5fc0bc38a1914a9cb944253c6c162cf0 : SUCCESS in 5m 38s