Build failed. https://zuul.opendev.org/t/openstack/buildset/469fdd5f098a4c598500d8314e789a96 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/5b436425834e43a6b9f9938592d260a2 : FAILURE in 3m 12s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/d25a71f4a3804b0ba4d6892a9ddfc7f2 : SUCCESS in 2m 55s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/146f739d14494f2e93d4314aae18ba3f : SUCCESS in 3m 09s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/985f5fab47e5433cb9c892e4ff6cf323 : SUCCESS in 3m 28s