Build failed. https://zuul.opendev.org/t/openstack/buildset/03c0707785f44153b671de0c64f0da84 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/0fc62e9697b94003bcd8da00f35203d5 : FAILURE in 3m 15s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a5698badae964832a3e4d43199c95184 : SUCCESS in 5m 24s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/a0313e3b08ee4ff091da803e8780866c : SUCCESS in 3m 49s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/40b2403ce57e44d2b903f18fccfa6edb : SUCCESS in 3m 35s