Build failed. https://zuul.opendev.org/t/openstack/buildset/f93bf68a487b40e4ba2ee1ddeae6ce9c - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/57e0b21b0af843799fcc0e4910c7ef5d : SUCCESS in 2m 55s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/6d67fbfcd2724b8aa9982e6114bc9803 : FAILURE in 3m 13s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/0f7ec17fa0fe4f99b81d38db0a3392e2 : SUCCESS in 2m 26s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/9d09289964594611b894430a22934a0f : FAILURE in 2m 40s