Build failed. https://zuul.opendev.org/t/openstack/buildset/6e40e65c5e4b49c08ff2e6d3d1102e67 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e121567aab724b5bbabcb82126b2b1a6 : FAILURE in 3m 06s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/fee4bcfb84b34349948a53eb3b234794 : SUCCESS in 3m 03s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/eca6f36489584f3ea2b05058193702d1 : SUCCESS in 2m 54s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/1306c76944ae44f78a0c274a305df2d6 : SUCCESS in 3m 34s