diff -r 37eedb1a1848 -r 602f7c1ab954 mercurial/bundlerepo.py
--- a/mercurial/bundlerepo.py	Tue Jun 03 09:34:14 2008 +0200
+++ b/mercurial/bundlerepo.py	Thu Jun 05 16:25:11 2008 +0200
@@ -127,7 +127,7 @@
 
     def addrevision(self, text, transaction, link, p1=None, p2=None, d=None):
         raise NotImplementedError
-    def addgroup(self, revs, linkmapper, transaction, unique=0):
+    def addgroup(self, revs, linkmapper, transaction):
         raise NotImplementedError
     def strip(self, rev, minlink):
         raise NotImplementedError