Build failed. https://zuul.opendev.org/t/openstack/buildset/a5faadd941ae4fd28191d5326d0affa5 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/9ccae3d2976d4b16ad4d4d6dc97170ca : SUCCESS in 14m 24s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/66e2f31baa964fab9d7ef083e882930d : RETRY_LIMIT in 4s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/fbfde69ec29d4dcb83f8dedfe0ee67ac : RETRY_LIMIT in 3s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/56e08979929f4aea937bfe49fdb7073c : SUCCESS in 8m 58s