Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/1a4f824f53604fc9b0597488d2157e5f : SUCCESS in 7m 36s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/b647f680f1fe45dc8eedafff36872951 : FAILURE in 5m 49s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/0e0da4cf55cc489b9db07b94fa3ea5d0 : SUCCESS in 4m 46s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/0265f814774243dc8ac35e86ec88a862 : SUCCESS in 8m 06s