Build failed. https://zuul.opendev.org/t/openstack/buildset/7587da9b857a48d3b8a86672a1cae700 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/4e1de3efd99e4f8496ee243b8427522a : SUCCESS in 4m 06s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/c039da3e88f64161b8a372293b06cb9b : SUCCESS in 4m 42s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/28a320827acb41cda075e8c3781b1174 : SUCCESS in 4m 41s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/2202c97386e545c3a2877a7830cdd301 : FAILURE in 4m 05s