diff --git a/mercurial/appendfile.py b/mercurial/appendfile.py
--- a/mercurial/appendfile.py
+++ b/mercurial/appendfile.py
@@ -147,15 +147,15 @@ class appendopener(object):
 # not mixed up together.
 
 class appendchangelog(changelog.changelog, appendopener):
-    def __init__(self, opener, version):
+    def __init__(self, opener):
         appendopener.__init__(self, opener)
-        changelog.changelog.__init__(self, self, version)
+        changelog.changelog.__init__(self, self)
     def checkinlinesize(self, fp, tr):
         return
 
 class appendmanifest(manifest.manifest, appendopener):
-    def __init__(self, opener, version):
+    def __init__(self, opener):
         appendopener.__init__(self, opener)
-        manifest.manifest.__init__(self, self, version)
+        manifest.manifest.__init__(self, self)
     def checkinlinesize(self, fp, tr):
         return