Build failed. https://zuul.opendev.org/t/openstack/buildset/5aca9678021d4613992d311d7aef216a - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/6d70e0fd50714545b7c4c31151f35464 : SUCCESS in 3m 59s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/047c10b02c6b4baa8ef51a59085e429d : FAILURE in 5m 40s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/273c52e3b7864e92b299ab94abd33002 : SUCCESS in 4m 15s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/42f5f2610f3043dbbf32110486c0241d : SUCCESS in 5m 24s