--- a/stmts.py	Wed Jun 09 14:20:05 2010 +0200
+++ b/stmts.py	Wed Jun 09 15:46:28 2010 +0200
@@ -275,7 +275,7 @@
     def get_variable_variables(self):
         change = set()
         for idx in self.get_variable_indices():
-            for vref in self.children[0].selection[idx].iget_nodes(VariableRef):
+            for vref in self.children[0].selection[idx].iget_nodes(nodes.VariableRef):
                 change.add(vref.name)
         return change