--- a/mercurial/context.py	Sat May 05 15:56:49 2007 +0900
+++ b/mercurial/context.py	Tue May 08 11:42:48 2007 -0500
@@ -448,7 +448,7 @@
 
     def __getattr__(self, name):
         if name == '_changectx':
-            self._changectx = workingctx(repo)
+            self._changectx = workingctx(self._repo)
             return self._changectx
         elif name == '_repopath':
             self._repopath = (self._repo.dirstate.copied(self._path)