Build failed. https://zuul.opendev.org/t/openstack/buildset/86fd30d6c8da4e9581c5874151ac77c6 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d92d4a7b41cc429396b16e9f73082ffb : RETRY_LIMIT in 2m 18s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/e304c46653364902bd5f86afe1eced1d : RETRY_LIMIT in 2m 15s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/4b31287ef46f4e8bbc934ec1468667bd : SUCCESS in 3m 58s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/9e7921a699c44ff4a5a34a48f8b2548d : SUCCESS in 4m 24s