--- a/mercurial/cmdutil.py	Wed Jul 21 09:43:45 2010 +0200
+++ b/mercurial/cmdutil.py	Tue Jul 20 14:42:05 2010 +0900
@@ -1182,7 +1182,6 @@
                 return rev in wanted
 
         for i, window in increasing_windows(0, len(revs)):
-            change = util.cachefunc(repo.changectx)
             nrevs = [rev for rev in revs[i:i + window] if want(rev)]
             for rev in sorted(nrevs):
                 fns = fncache.get(rev)