Build failed. https://zuul.opendev.org/t/openstack/buildset/d7cbc38e6a154bc68035363448ba3393 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/48c85347f68649c28c2bd91b51cc4b8a : FAILURE in 6m 10s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/f83bf8aab5244c2da92953ebefea8e89 : SUCCESS in 5m 20s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/8657ca0edf6e4c85a00f9ea26733b62d : SUCCESS in 5m 13s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/3f4ff1137c4949c781af61b9ef0efbc5 : SUCCESS in 5m 56s