Build failed. https://zuul.opendev.org/t/openstack/buildset/3d3fcf4e0cf547bc84bb11f6f9dff332 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/bd0ef22ff095440c8f0619aee49db047 : FAILURE in 5m 45s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/6aac0188a9c34397ad0d1be7c50fff9f : SUCCESS in 6m 38s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/2d9885f018f0452aa23ff315c80bf92f : SUCCESS in 5m 58s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/f38d4805890d4e84bec22ef3572044cd : SUCCESS in 6m 53s