Build failed. https://zuul.opendev.org/t/openstack/buildset/a3fc44740acf4c63b3bffe6a8b91daa3 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/bfe8b43a300040df96e1a26434ba565f : FAILURE in 3m 53s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/d48b3910b9eb4200b234a90661e49922 : SUCCESS in 3m 56s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/c5a2e314be554933b744ee947ca7e709 : SUCCESS in 3m 19s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/95578638e0da4a12892d032db288ccf5 : SUCCESS in 4m 03s