Build failed. https://zuul.opendev.org/t/openstack/buildset/f6ec9b6f63f04656b1c047ad69c7fc84 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/cdaad887e13f479cba416165c8f0fc34 : SUCCESS in 4m 27s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/bdd30946d75e4bdd8565dd1d15eb79ff : FAILURE in 3m 43s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/ea2109485b92468794b4c1a68a3732ff : SUCCESS in 3m 55s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/89884eb2ba5d490082ca442f35d453eb : SUCCESS in 3m 34s