Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/102e23eda07c4968ab1292f06aca649d : SUCCESS in 4m 33s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/0c3b39e153cc4d61aeb674427ad2f386 : FAILURE in 4m 42s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/7070c3867b834293b3925964c77e84b3 : SUCCESS in 5m 30s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c841bba7736e41569f290a685380f233 : SUCCESS in 5m 25s