Build failed. https://zuul.opendev.org/t/openstack/buildset/0f110d011ebf43529c2b3ad7804d3373 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/2761800f37ca4bb187414621c959ad95 : FAILURE in 4m 21s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/08ea38d16e1a445e8e08487ba02d21ab : SUCCESS in 3m 01s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/84dad194fe5247a689437cb5f634319a : SUCCESS in 4m 31s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/136cef0c0fd44b12aedb6a4734aa1343 : SUCCESS in 3m 06s