diff -r e044d22d2f61 Lib/idlelib/PyShell.py
--- a/Lib/idlelib/PyShell.py	Sun Mar 31 00:57:16 2013 -0500
+++ b/Lib/idlelib/PyShell.py	Sun Mar 31 13:25:17 2013 -0500
@@ -1356,6 +1356,9 @@
         self._line_buffer = line[size:]
         return line[:size]
 
+    def close(self):
+        self.shell.close()
+
 
 usage_msg = """\