diff -r 573bec4ab7ba -r 2ba70eec1cf0 mercurial/subrepo.py
--- a/mercurial/subrepo.py	Sat Sep 29 20:11:24 2012 +0900
+++ b/mercurial/subrepo.py	Sat Jul 28 23:28:36 2012 +0200
@@ -501,7 +501,7 @@
         if revision not in self._repo:
             self._repo._subsource = source
             srcurl = _abssource(self._repo)
-            other = hg.peer(self._repo.ui, {}, srcurl)
+            other = hg.peer(self._repo, {}, srcurl)
             if len(self._repo) == 0:
                 self._repo.ui.status(_('cloning subrepo %s from %s\n')
                                      % (subrelpath(self), srcurl))
@@ -566,7 +566,7 @@
         dsturl = _abssource(self._repo, True)
         self._repo.ui.status(_('pushing subrepo %s to %s\n') %
             (subrelpath(self), dsturl))
-        other = hg.peer(self._repo.ui, {'ssh': ssh}, dsturl)
+        other = hg.peer(self._repo, {'ssh': ssh}, dsturl)
         return self._repo.push(other, force, newbranch=newbranch)
 
     def outgoing(self, ui, dest, opts):