mercurial/scmutil.py

--- a/mercurial/scmutil.py	Tue Apr 02 14:50:31 2013 -0700
+++ b/mercurial/scmutil.py	Tue Apr 02 14:50:50 2013 -0700
@@ -678,8 +678,7 @@
     ctx = repo[None]
     dirstate = repo.dirstate
     walkresults = dirstate.walk(m, sorted(ctx.substate), True, False)
-    for abs in walkresults:
-        st = walkresults[abs]
+    for abs, st in walkresults.iteritems():
         dstate = dirstate[abs]
         if dstate == '?' and audit_path.check(abs):
             unknown.append(abs)