--- a/mercurial/changegroup.py	Tue Apr 01 17:57:04 2014 -0500
+++ b/mercurial/changegroup.py	Thu Apr 03 20:29:03 2014 -0500
@@ -358,7 +358,7 @@
 
         def linknodes(filerevlog, fname):
             if fastpathlinkrev:
-                ln, llr = filerevlog.node, filerevlog.linkrev
+                llr = filerevlog.linkrev
                 def genfilenodes():
                     for r in filerevlog:
                         linkrev = llr(r)