Build failed. https://zuul.opendev.org/t/openstack/buildset/f9a10c4cf0bf4546b9ecd89bd2c078aa - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/7e25fcdc6da847acb94ec41ea5a90a6a : SUCCESS in 3m 04s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/eb4994f27cf74e8e9d066ec4504ac4c5 : FAILURE in 2m 31s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/74a4bc4b7d3745f49f0adcc7673ea351 : SUCCESS in 2m 50s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/fc67bc75716849aeaa68ab5a044ea600 : FAILURE in 2m 53s