Index: Lib/socket.py
===================================================================
--- Lib/socket.py	(revision 88450)
+++ Lib/socket.py	(working copy)
@@ -111,6 +111,9 @@
                                 getattr(self, '_closed', False) and " [closed] " or "",
                                 s[7:])
         return s
+        
+    def __getstate__(self):
+        raise TypeError("Cannot serialize socket object")
 
     def dup(self):
         """dup() -> socket object