diff --git a/tools/munger/scripts/action_gen.py b/tools/munger/scripts/action_gen.py
index 8746faf..490fa54 100644
--- a/tools/munger/scripts/action_gen.py
+++ b/tools/munger/scripts/action_gen.py
@@ -77,8 +77,9 @@
         self.type = --ACTION_NAME--
         self.len = self.__len__()
     def show(self, prefix=''):
-        print prefix + "action_--TYPE--"
-        --PARENT_TYPE--.show(self, prefix)
+        outstr += prefix + "action_--TYPE--\\n"
+        outstr += --PARENT_TYPE--.show(self, prefix)
+        return outstr
 """
 
 if __name__ == '__main__':