Build failed. https://zuul.opendev.org/t/openstack/buildset/d17dd3af878042f4be0ac9ddb155722a - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/67a47a7f4471439aa11cf123d7cf5b92 : SUCCESS in 4m 26s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/9434c8415f0c480bb50fc61fad6cd044 : FAILURE in 3m 09s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/7beea10e806c49ceb4e195890f54240c : SUCCESS in 3m 45s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/54b3c7ab44424d10bcbebbd908ac34bc : SUCCESS in 4m 35s