Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d99cbcb8501c41ec847329ae3f1a1e7a : SUCCESS in 9m 12s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/066379b91b644d668824556727122c9e : FAILURE in 4m 26s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/b09077e0f29e4baabca1b8f7cc3cc62a : SUCCESS in 6m 16s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/0a302f3de8b14089818e08b6c712ad45 : SUCCESS in 6m 30s