[Rdo-list] [CI] rdo-manager liberty delete nodes fails

FYI.. https://bugzilla.redhat.com/show_bug.cgi?id=1273574 StopIteration clean_up DeleteNode: Traceback (most recent call last): File "/usr/lib/python2.7/site-packages/openstackclient/shell.py", line 112, in run ret_val = super(OpenStackShell, self).run(argv) File "/usr/lib/python2.7/site-packages/cliff/app.py", line 255, in run result = self.run_subcommand(remainder) File "/usr/lib/python2.7/site-packages/cliff/app.py", line 374, in run_subcommand result = cmd.run(parsed_args) File "/usr/lib/python2.7/site-packages/cliff/command.py", line 54, in run self.take_action(parsed_args) File "/usr/lib/python2.7/site-packages/tripleoclient/v1/overcloud_node.py", line 64, in take_action scale_manager.scaledown(parsed_args.nodes) File "/usr/lib/python2.7/site-packages/tripleo_common/scale.py", line 91, in scaledown resources_by_role, resources) File "/usr/lib/python2.7/site-packages/tripleo_common/scale.py", line 131, in _get_removal_params_from_heat role, role_resources, resources) File "/usr/lib/python2.7/site-packages/tripleo_common/scale.py", line 29, in get_group_resources_after_delete group = next(res for res in resources if StopIteration END return value: 1