--- a/utils.py	Fri Nov 05 14:28:07 2010 +0100
+++ b/utils.py	Fri Nov 05 14:28:22 2010 +0100
@@ -201,6 +201,7 @@
     def pop(self, i):
         self._size -= 1
 
+
 class UStringIO(list):
     """a file wrapper which automatically encode unicode string to an encoding
     specifed in the constructor