Build failed. https://zuul.opendev.org/t/openstack/buildset/5db2bf61b4d24907950a215cd8d5fe99 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/cc84a35fae2a4871b36beb67b74d0077 : SUCCESS in 5m 30s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/bdd9f9542d844f2998411e5fe13cf9ed : SUCCESS in 3m 51s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/d24b1e7c27234c25b4ae486bb26baf22 : SUCCESS in 3m 52s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/02245d42fda447088fb4375708cac65b : FAILURE in 4m 06s