Build failed. https://zuul.opendev.org/t/openstack/buildset/7a8c266f3f894b758a97187dd35676d8 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/7013273fbf1e428d84df4dd6da7d9c9c : FAILURE in 3m 28s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/af78312e0d304ebc97f29a31f564f4e6 : SUCCESS in 5m 07s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/3dca1fe722ac41339384cb7075bd08be : SUCCESS in 3m 37s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/ad7cbb3880d74b0bbebfa28a57cd9cf2 : SUCCESS in 4m 05s