Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/86625e4c53084b79b0c4be7daeb5ae17 : SUCCESS in 7m 52s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/dfd9c921760b4a04bef8d1fa2aa2613a : SUCCESS in 10m 14s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/5ae17aafa0fa44b2afec12e6565ca2e2 : SUCCESS in 10m 25s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/d3edde7c8eac4474ac5af9c011122573 : FAILURE in 6m 18s