From 81a885af05079e909f2912ebc3d960c43fa30faf Mon Sep 17 00:00:00 2001
From: Raymond Hettinger <python@rcn.com>
Date: Sat, 29 Dec 2007 22:16:24 +0000
Subject: Improve docs for itertools.groupby().  The use of xrange(0) to create
 a unique object is less obvious than object().

---
 Doc/library/itertools.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Doc/library/itertools.rst b/Doc/library/itertools.rst
index 9cb316d..788d931 100644
--- a/Doc/library/itertools.rst
+++ b/Doc/library/itertools.rst
@@ -159,7 +159,7 @@ loops that truncate the stream.
                   key = lambda x: x
               self.keyfunc = key
               self.it = iter(iterable)
-              self.tgtkey = self.currkey = self.currvalue = xrange(0)
+              self.tgtkey = self.currkey = self.currvalue = object()
           def __iter__(self):
               return self
           def next(self):
-- 
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