Fixed small bug in Python 2.3 fallback for itertools.groupby. Refs #4506

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git-svn-id: http://code.djangoproject.com/svn/django/trunk@5526 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/utils/itercompat.py

@@ -34,7 +34,7 @@ def groupby(iterable, keyfunc=None):
         keyfunc = lambda x:x
     iterable = iter(iterable)
     l = [iterable.next()]
-    lastkey = keyfunc(l)
+    lastkey = keyfunc(l[0])
     for item in iterable:
         key = keyfunc(item)
         if key != lastkey: