Build failed. https://zuul.opendev.org/t/openstack/buildset/0a4f6c1ff1c24be8baf71cf7862722d7 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/5c763c6021a24f07a32ea02f7b5cf8f4 : FAILURE in 3m 53s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/d8670b5306e94c3bb030a1ac52c7e572 : FAILURE in 4m 11s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/09b37e06246345cdaac208227ee2a7a3 : FAILURE in 5m 36s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/a7a64c784d454200a4e5538e62d9dde2 : FAILURE in 3m 54s