Build failed. - openstack-tox-docs http://logs.openstack.org/periodic-stable/opendev.org/openstack/oslo.middleware/stable/stein/openstack-tox-docs/1afeab6/html/ : SUCCESS in 4m 06s - openstack-tox-py27 http://logs.openstack.org/periodic-stable/opendev.org/openstack/oslo.middleware/stable/stein/openstack-tox-py27/84c68e1/ : FAILURE in 4m 04s