Index: Lib/optparse.py
===================================================================
--- Lib/optparse.py	(revision 61699)
+++ Lib/optparse.py	(working copy)
@@ -835,6 +835,10 @@
         else:
             return NotImplemented
 
+    def __iter__(self):
+        for key, value in self.__dict__.items():
+            yield key, value
+
     def _update_careful(self, dict):
         """
         Update the option values from an arbitrary dictionary, but only