diff -r abbbe1f90635 Lib/site.py
--- a/Lib/site.py	Sun Mar 31 01:11:26 2013 -0500
+++ b/Lib/site.py	Sun Mar 31 14:27:02 2013 -0500
@@ -350,12 +350,7 @@
             # Shells like IDLE catch the SystemExit, but listen when their
             # stdin wrapper is closed.
             try:
-                fd = -1
-                if hasattr(sys.stdin, "fileno"):
-                    fd = sys.stdin.fileno()
-                if fd != 0:
-                    # Don't close stdin if it wraps fd 0
-                    sys.stdin.close()
+                sys.stdin.close()
             except:
                 pass
             raise SystemExit(code)