Build failed. https://zuul.opendev.org/t/openstack/buildset/4e0bb1962c584d3185e5f5664b4e3500 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/27c7daaa8d604bc5885e0539b78b3989 : SUCCESS in 3m 37s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/508db44853224d64bb363d06ea473822 : FAILURE in 3m 03s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/aa6658a63f01423285434c04081372e4 : SUCCESS in 3m 13s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/12e0cd3a4d954017921f48a15ad70f04 : SUCCESS in 4m 12s