Index: Lib/socket.py
===================================================================
--- Lib/socket.py	(revision 67428)
+++ Lib/socket.py	(working copy)
@@ -238,10 +238,15 @@
     def close(self):
         if self.closed:
             return
+        # http://bugs.python.org/issue3826 - Closed SocketIO's from makefile()
+        # should not prevent the underlying socket from being closed.
+        self._sock._decref_socketios()
+        self._sock = None
         io.RawIOBase.close(self)
 
     def __del__(self):
-        self._sock._decref_socketios()
+        if self._sock:
+            self._sock._decref_socketios()
 
 
 def getfqdn(name=''):