Build failed. https://zuul.opendev.org/t/openstack/buildset/5073c0af3c484ebb8531fe63cdc72b6a - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/66807da39acd4c80b3fdcea6b7c11f04 : SUCCESS in 4m 27s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/4d1a2e8c9f7d40dfb58490aa0c707361 : FAILURE in 3m 08s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/6f74062557f2477ca31e5875ee059a76 : SUCCESS in 3m 43s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/b5f4cc7d006146b7ad02cf7ac415fa3f : SUCCESS in 3m 59s