Build failed. https://zuul.opendev.org/t/openstack/buildset/5835dac298374e0686bdb9c4ac565dde - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/f7c5ac5cd3c24a54840e2c47b4f08f37 : RETRY_LIMIT in 2s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/5bda321b36cf4b178744dee7ebf8d6c3 : SUCCESS in 5m 27s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/86b1a8c9860e45649c37fdd1b302348e : SUCCESS in 4m 34s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/a291550ae2f1420cb62219877f210e6e : SUCCESS in 5m 42s