Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/3135edc265064f88b6044521e4c1e041 : SUCCESS in 11m 16s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/d6f2323bb6044b7599f207f770ece6b4 : FAILURE in 9m 34s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/a963481c49cf43a38b78f8e3601b51fa : SUCCESS in 9m 10s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/b52a15dadca74e86a3fad677afb100f8 : SUCCESS in 10m 40s