diff -r 64ff90e07d71 Tools/unicode/comparecodecs.py
--- a/Tools/unicode/comparecodecs.py	Tue Jul 17 05:45:11 2012 +0300
+++ b/Tools/unicode/comparecodecs.py	Tue Jul 17 09:44:20 2012 +0300
@@ -30,7 +30,7 @@
             mismatch += 1
     # Check decoding
     for i in range(256):
-        c = chr(i)
+        c = bytes([i])
         try:
             u1 = c.decode(encoding1)
         except UnicodeError: