Build failed. https://zuul.opendev.org/t/openstack/buildset/87029d16d3954889b3fff78693a6260c - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/840607be046646219c9aa9e314604c66 : SUCCESS in 5m 22s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/f6c3d9c55c2e4a69a954c2f2f7be7aef : FAILURE in 4m 04s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/508c4ee2e1c34db78775286e698f37d3 : SUCCESS in 4m 16s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/9f20aa2cd1e1461a8aa0392dccea85ee : SUCCESS in 5m 24s