Build failed. https://zuul.opendev.org/t/openstack/buildset/2388db384c8947aa9b6977b1894b77e6 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/89cb0f5c06584226bd58e84c96a4869a : SUCCESS in 2m 57s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/1a30c659cf9d4b27a4b46f966fb28094 : FAILURE in 2m 49s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/b0d122869cc94073a578bfca3a9c69db : SUCCESS in 2m 46s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/e6faa2bb6dbf48fdb8ef54c7036c7f2e : FAILURE in 3m 05s