Build failed. https://zuul.opendev.org/t/openstack/buildset/09ca0cbc50a34f2791bb2f075ce874a5 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/5029b8469c654470bd3482f8fea00795 : SUCCESS in 3m 12s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/4aff2567b4a547a68b392a13b6462d25 : FAILURE in 3m 02s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/ed690dcf5556457b9a190547eb078e4b : SUCCESS in 3m 20s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/329dd208bb764b148e59ad46406b4fba : SUCCESS in 3m 43s