diff -r b72a88dbc7c3 -r 8dbe0aec4f36 objdictgen/commondialogs.py
--- a/objdictgen/commondialogs.py	Tue May 14 20:22:06 2013 +0200
+++ b/objdictgen/commondialogs.py	Mon Sep 23 00:27:39 2013 +0200
@@ -817,7 +817,6 @@
 
     def _init_coll_MainSizer_Growables(self, parent):
         parent.AddGrowableCol(0)
-        parent.AddGrowableCol(0)
     
     def _init_coll_TopBoxSizer_Items(self, parent):
         parent.AddSizer(self.LeftBoxSizer, 1, border=10, flag=wx.GROW|wx.RIGHT)