Build failed. https://zuul.opendev.org/t/openstack/buildset/31766c02e81e443da7e15fe231b7c292 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d3357504af7d4517af429e418f38dbd9 : SUCCESS in 3m 10s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/f87638909d944c7dbe4b0eb6e72eff7d : SUCCESS in 3m 10s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/dc83a4eb5adb44bf8117c72fa7f5b8be : SUCCESS in 2m 32s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/20d818c672c148ee8acbc2e552edbf0a : FAILURE in 2m 52s