--- a/src/reportlab/graphics/barcode/code93.py	Sun Feb 17 12:13:56 2013 +0000
+++ b/src/reportlab/graphics/barcode/code93.py	Tue Apr 30 14:28:14 2013 +0100
@@ -55,7 +55,7 @@
 }
 
 _charsbyval = {}
-for k, v in list(_patterns.items()):
+for k, v in _patterns.items():
     _charsbyval[v[1]] = k
 
 _extended = {