Build failed. https://zuul.opendev.org/t/openstack/buildset/124e31a8d96840ee97b2fef525120063 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/b86e46ef8b35422bbb4e59f685d633bc : SUCCESS in 10m 52s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/b17ef8593ae244cab141dc5822169a07 : SUCCESS in 3m 39s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/6f192f1ce6cb414e9b5737821fc5d577 : FAILURE in 6m 03s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/75acda7a295d4627ab4c8972a374b985 : FAILURE in 2m 35s