Build failed. https://zuul.opendev.org/t/openstack/buildset/b2a8d7fc77204370abaf5816c69c26e7 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/ab20ff8738354ef5aabbad8269e87f45 : SUCCESS in 6m 05s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/05de395d1f324565973b4e1dededd111 : FAILURE in 4m 01s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/2ac9f9ec7ae141ed9fe4d83dceb4f7c4 : SUCCESS in 4m 12s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/26eb4bf50492485d8dc676b141d15472 : SUCCESS in 4m 10s