Build failed. https://zuul.opendev.org/t/openstack/buildset/67c945153c6847faae94fedf261078d6 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/602ec2861b65475dacd8b2eaf021d184 : FAILURE in 3m 14s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/4fb62b36909341ce9895917e76be848e : SUCCESS in 4m 12s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/9a7737bcbfe54c97a1715e4680758070 : SUCCESS in 3m 08s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/84ade3543ddb48f79995e8830056db6b : SUCCESS in 4m 15s