Build failed. https://zuul.opendev.org/t/openstack/buildset/cbb743214f2348b196f55acc0c52454a - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/b4d5e23f9bf14161be4fdabf909e80a8 : SUCCESS in 5m 08s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/1a2ae4e8fa2b472eba642b33a9ac7b2c : FAILURE in 3m 52s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/138a8d87f06b4ca6b41d2a47861fd9f1 : SUCCESS in 8m 00s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/cafc05165079499c85681ac174c5ec1e : SUCCESS in 3m 42s