diff -r f53c549237ca -r e0eae93e6c67 mercurial/dispatch.py
--- a/mercurial/dispatch.py	Wed Oct 21 13:40:55 2009 +0200
+++ b/mercurial/dispatch.py	Wed Oct 28 23:55:23 2009 +0900
@@ -358,17 +358,7 @@
     extensions.loadall(lui)
     exts = [ext for ext in extensions.extensions() if ext[0] not in _loaded]
 
-    # (uisetup is handled in extensions.loadall)
-
-    for name, module in exts:
-        extsetup = getattr(module, 'extsetup', None)
-        if extsetup:
-            try:
-                extsetup(ui)
-            except TypeError:
-                if extsetup.func_code.co_argcount != 0:
-                    raise
-                extsetup() # old extsetup with no ui argument
+    # (uisetup and extsetup are handled in extensions.loadall)
 
     for name, module in exts:
         cmdtable = getattr(module, 'cmdtable', {})