Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/0c8b7aa5abf347f2b54aea57eb0cda79 : SUCCESS in 8m 51s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/b9ff74a1f403450b9225773e5ce11b2e : FAILURE in 3m 03s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/7f7d048059224cd08c642325dee11c37 : SUCCESS in 6m 25s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/2653f70e14a0435b9672d7475f004a80 : SUCCESS in 5m 10s