Build failed. https://zuul.opendev.org/t/openstack/buildset/7af4528354794bf4976fd67fc80e0efa - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/a83a20a2f1cf4cd7839f9411e8148e20 : FAILURE in 3m 30s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/1e7c372f2cd5410c96026f3fef42e08f : SUCCESS in 2m 51s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/40a716380ac248d99f9a961227dd876a : SUCCESS in 3m 28s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/d047a904fcb94a009952ce7edad68e6c : SUCCESS in 3m 56s