Build failed. https://zuul.opendev.org/t/openstack/buildset/1cc6d6673cc247aa89d07dcfaeb44158 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/9d3f147faea84d08852ff027d9ef0351 : SUCCESS in 3m 03s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/e53f1010106a49698bd43dc776d6340f : FAILURE in 2m 42s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/6054a1be88cb4c939b4a200a6140859b : SUCCESS in 2m 32s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/0bfbf11913d34b99b74c1b8886b9e5c7 : FAILURE in 3m 03s