Build failed. https://zuul.opendev.org/t/openstack/buildset/d4353a0a53e04279a265e4a8eb9f2bf2 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/5bf753625c154b61bfcf9e3ac7d3dda3 : SUCCESS in 3m 35s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/3dcdf21a18a34074872ccbee06f774de : SUCCESS in 3m 43s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/5c28685625de452e84b7bfb25d5e4a76 : FAILURE in 3m 28s