Index: Lib/random.py
===================================================================
--- Lib/random.py	(révision 72551)
+++ Lib/random.py	(copie de travail)
@@ -269,7 +269,7 @@
 
         if random is None:
             random = self.random
-        for i in reversed(xrange(1, len(x))):
+        for i in xrange(len(x) - 1, 0, -1):
             # pick an element in x[:i+1] with which to exchange x[i]
             j = int(random() * (i+1))
             x[i], x[j] = x[j], x[i]