Build failed. https://zuul.opendev.org/t/openstack/buildset/a1152ed0f11948648f657d8c8d8fdca4 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/52ac7ba4e283472ea379900a9a920ac2 : FAILURE in 6m 51s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a0ac25136ebd42b7b22cfae72a8bb01c : SUCCESS in 5m 11s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/3be7df87b4fb4f8bb6326f601a2fc839 : SUCCESS in 6m 20s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/a40351be53a746c189ba325f314bde31 : SUCCESS in 5m 30s