Build failed. https://zuul.opendev.org/t/openstack/buildset/3067049d69964f73a8fb6dcc34fc6807 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/883d5fca782b4ef280037cecb73d8d2f : FAILURE in 4m 54s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/10bf315167604a9f8a8b8b4e5b5a1f54 : FAILURE in 4m 21s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/5fff03ed4e424efd9cad00f38ef8d555 : FAILURE in 4m 06s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/d5d1628246004d2ca6121272c50cc7ed : FAILURE in 5m 06s