Build failed. https://zuul.opendev.org/t/openstack/buildset/ddfbde61618242c99adc95343fa0f296 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d35d47de928f4d08b1a76f1720bdb039 : SUCCESS in 3m 14s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/329fd8ae02e64d04b3a3987c7dc23cdb : SUCCESS in 2m 53s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/c65516c98d7f4dceb20b9ace03093682 : SUCCESS in 2m 41s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/7c7570a031784a88bcdf8db6bfbea38d : FAILURE in 2m 41s