Build failed. https://zuul.opendev.org/t/openstack/buildset/5f3e37f7b9e04fcfb73671771bf2fd83 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/1faecf46749043c6ab7330afb3c65dea : FAILURE in 7m 31s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/6c0a26b8458a44f4a13487d06cc76408 : SUCCESS in 6m 00s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/7c080199d81f4011b3133eecf28d1538 : SUCCESS in 6m 20s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/caaef3f72ae44cad950c9c06b473e5d5 : SUCCESS in 6m 06s