PEP 3114: rename .next() to .__next__() and add next() builtin.
diff --git a/Lib/test/test_str.py b/Lib/test/test_str.py
index 226a168..0067bdb 100644
--- a/Lib/test/test_str.py
+++ b/Lib/test/test_str.py
@@ -22,10 +22,10 @@
     def test_iterators(self):
         # Make sure str objects have an __iter__ method
         it = "abc".__iter__()
-        self.assertEqual(it.next(), "a")
-        self.assertEqual(it.next(), "b")
-        self.assertEqual(it.next(), "c")
-        self.assertRaises(StopIteration, it.next)
+        self.assertEqual(next(it), "a")
+        self.assertEqual(next(it), "b")
+        self.assertEqual(next(it), "c")
+        self.assertRaises(StopIteration, next, it)
 
     def test_conversion(self):
         # Make sure __str__() behaves properly