Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/f25065a470134bb7a9dbdcdb97d04ca5 : SUCCESS in 4m 55s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/c5f98be7af8c4591b495da6c8bb69b94 : FAILURE in 3m 42s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/5f9143d237be4aa7bc37c662ec9fd7b8 : SUCCESS in 4m 43s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/e86d8798df4f490594db3e1a8015a6e5 : SUCCESS in 7m 26s