Build failed. https://zuul.opendev.org/t/openstack/buildset/e2f7a4098c8a4959bcbd4ae98e67254e - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/f69a506a6a224b35ae85028e95e30a01 : SUCCESS in 4m 00s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/1cb9306518a5415c9b5b35e8b6985e21 : FAILURE in 2m 38s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/6ab789eb0609401aa87181aa713c931f : SUCCESS in 4m 34s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/9409e58a9d3b433bb9dd8e2cccd766c3 : SUCCESS in 4m 08s