diff -r 1f0f84660dea -r 810ca383da9c mercurial/graphmod.py
--- a/mercurial/graphmod.py	Tue Oct 28 19:07:14 2008 +0100
+++ b/mercurial/graphmod.py	Tue Oct 28 19:25:26 2008 +0100
@@ -35,8 +35,6 @@
     new_color = 1
 
     while curr_rev >= stop_rev:
-        node = cl.node(curr_rev)
-
         # Compute revs and next_revs
         if curr_rev not in revs:
             revs.append(curr_rev) # new head