In 3k this becomes an items() call.

Merged revisions 71046 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

........
  r71046 | r.david.murray | 2009-04-02 10:05:35 -0400 (Thu, 02 Apr 2009) | 4 lines

  Add missing iteritems() call to the for loop in mailbox.MH.get_message().

  Fixes issue2625.
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diff --git a/Lib/mailbox.py b/Lib/mailbox.py
index ab915ed..909285b 100755
--- a/Lib/mailbox.py
+++ b/Lib/mailbox.py
@@ -907,7 +907,7 @@
                     _unlock_file(f)
         finally:
             f.close()
-        for name, key_list in self.get_sequences():
+        for name, key_list in self.get_sequences().items():
             if key in key_list:
                 msg.add_sequence(name)
         return msg