Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/ad19a819d33342d79c75c2a3c8a94d66 : SUCCESS in 10m 25s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/5758af2a4af141d3b8d695762ec9fc5f : FAILURE in 7m 20s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/50c8aaa4966341058915d0032c557f1c : SUCCESS in 6m 09s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/76739e6fd71d4939aa9407466c6f38db : SUCCESS in 6m 41s