Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/1558f66ec8b9430ea49244e20793ee06 : SUCCESS in 7m 44s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/b8a77b9be90646fc9c58499c9aadb282 : FAILURE in 5m 32s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/24cd35e4495948c6910face6e8a74b45 : SUCCESS in 6m 14s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c721f93ffd634b96964486da9dbe61ef : FAILURE in 7m 01s