Build failed. https://zuul.opendev.org/t/openstack/buildset/6ac38face9f145de939341c663303a05 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/0662ffe2d9604c00aa84ffd4bb391125 : SUCCESS in 5m 15s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/971ca0d161624584bdd8c45fbef4b77d : SUCCESS in 5m 10s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/06e3b6502c224b65995f092bf8d52729 : SUCCESS in 6m 26s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/ea0c803a224844cea2e311dc5820cd29 : FAILURE in 4m 03s