Build failed. https://zuul.opendev.org/t/openstack/buildset/678838a3b9ac4501a9ecddb7126a5e8b - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/77e259180132408db3a4a444149c5642 : SUCCESS in 4m 06s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/47c76c18f78b406ba762cad30abcd263 : FAILURE in 4m 45s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/191bcc3bb62947f49c7c9cbb851f67b1 : SUCCESS in 4m 24s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/e3ea3295a78c43abb1a4587f59dc355d : SUCCESS in 5m 17s