Build failed. https://zuul.opendev.org/t/openstack/buildset/34808f154b32495cabdcd17876c0f8a7 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/5b079c5b5e534e60a36a359e86286ab3 : SUCCESS in 3m 21s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/77f0ea49d6ae497a9d67e87c57bb6775 : SUCCESS in 2m 50s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/5868f7b35168490abc41b3f4ceb5d088 : SUCCESS in 2m 25s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/178b13773094488aba0462be48ec9595 : FAILURE in 2m 26s