Build failed. https://zuul.opendev.org/t/openstack/buildset/99aa10a367f9471382627098f57ce51d - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/51965175e9b948579dd62dbd4f2910be : SUCCESS in 2m 53s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/6b20b7f3b0eb4c32885a86f0938499e1 : FAILURE in 4m 30s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/943f0b248b3e40b98cccf349c60862bc : SUCCESS in 3m 52s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/d7695fce60a54ed78fe5e9c020aed6b2 : FAILURE in 3m 37s