Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/eacd77130f794586bb9eb372b08c480f : SUCCESS in 13m 37s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/9b5ca7aa09924449a5b279ec7be41410 : FAILURE in 10m 16s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/19d88ad7e18742418be49d4e36da4b05 : SUCCESS in 9m 50s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/e5c3174228c8499a902b2d835cd23a70 : SUCCESS in 11m 14s