Build failed. https://zuul.opendev.org/t/openstack/buildset/1deb3925cfe84260b8bb43fa9f87b6c7 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/eb840f4d35ac44e79469fdda56d54395 : FAILURE in 5m 16s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/cac9bf70879b40d8905219f3d9848485 : SUCCESS in 4m 51s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/ec9a4aa7135947999580aa5ad3483f79 : SUCCESS in 5m 09s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/5bd972f16eea4abea59c1a3d9e04a20c : SUCCESS in 5m 14s