Build failed. https://zuul.opendev.org/t/openstack/buildset/20c99a5707534552bb1ae1b5723ca20f - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/86a10c01695942d2b2299f8b36d97441 : FAILURE in 4m 47s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a68243402d7d442381714387db946681 : SUCCESS in 4m 38s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/63412d90a2d84a65b76d72709fd0604d : SUCCESS in 4m 50s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/55992fbdc1f946bd823aad30a011fefa : SUCCESS in 4m 51s