Build failed. https://zuul.opendev.org/t/openstack/buildset/e849ebcb3adb45e696060f32dab355d3 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/ba1ebdbc60f140d2ad429cbbd9107276 : FAILURE in 3m 21s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/31c7b3b4803e4db0bf1fc9444aabbbc0 : SUCCESS in 4m 53s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/4093c8aaa8ab44158346eff4e6e37104 : SUCCESS in 4m 53s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/fdd16743103f4c06aa54e0c19acd3bd4 : SUCCESS in 3m 47s