Build failed. https://zuul.opendev.org/t/openstack/buildset/02ea8ea464d64be6a5f4506c41b0e82b - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/ef1dcdae6e6949cc80250ca21c2f6f97 : FAILURE in 3m 43s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/8b7fd69305c84d5084660065731cbc7d : SUCCESS in 5m 30s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/74869805b60c48d5a108ee362c83e66e : SUCCESS in 3m 04s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/05f1f879bc9e4da789a5e9618b0030d7 : SUCCESS in 3m 18s