--- a/plcopen/plcopen.py	Fri Jul 24 11:18:07 2009 +0200
+++ b/plcopen/plcopen.py	Fri Jul 24 11:45:41 2009 +0200
@@ -1376,7 +1376,7 @@
     "filter": {"none": lambda self, connections: None,
                "single": _filterConnectionsSingle,
                "multiple": _filterConnectionsMultiple},
-    "update": {"none": lambda self, translation: None,
+    "update": {"none": lambda self, translation: {},
                "single": _updateConnectionsIdSingle,
                "multiple": _updateConnectionsIdMultiple}
 }