Make array().tofile() work with a new I/O object.
diff --git a/Lib/test/test_array.py b/Lib/test/test_array.py
index 692760c..ae7156b 100755
--- a/Lib/test/test_array.py
+++ b/Lib/test/test_array.py
@@ -147,7 +147,7 @@
     def test_tofromfile(self):
         a = array.array(self.typecode, 2*self.example)
         self.assertRaises(TypeError, a.tofile)
-        self.assertRaises(TypeError, a.tofile, cStringIO.StringIO())
+        ##self.assertRaises(TypeError, a.tofile, cStringIO.StringIO())
         f = open(test_support.TESTFN, 'wb')
         try:
             a.tofile(f)