Index: Lib/test/test_itertools.py
===================================================================
--- Lib/test/test_itertools.py	(revision 76004)
+++ Lib/test/test_itertools.py	(working copy)
@@ -419,20 +419,22 @@
         # with Undetected Error and Stop Iteration
         r1 = Repeater(1, 3, StopIteration)
         r2 = Repeater(2, 4, StopIteration)
-        def run(r1, r2):
-            result = []
-            for i, j in izip_longest(r1, r2, fillvalue=0):
-                print(i, j)
-                result.append((i, j))
-            return result
-        self.assertEqual(run(r1, r2), [(1,2), (1,2), (1,2), (0,2)])
+        it = izip_longest(r1, r2, fillvalue=0)
+        self.assertEqual(it.next(), (1,2))
+        self.assertEqual(it.next(), (1,2))
+        self.assertEqual(it.next(), (1,2))
+        self.assertEqual(it.next(), (0,2))
+        self.assertRaises(StopIteration, it.next)
 
         # Formerly, the RuntimeError would be lost
         # and StopIteration would stop as expected
         r1 = Repeater(1, 3, RuntimeError)
         r2 = Repeater(2, 4, StopIteration)
-        mylist = lambda it: [v for v in it]
-        self.assertRaises(RuntimeError, mylist, izip_longest(r1, r2, fillvalue=0))
+        it = izip_longest(r1, r2, fillvalue=0)
+        self.assertEqual(it.next(), (1,2))
+        self.assertEqual(it.next(), (1,2))
+        self.assertEqual(it.next(), (1,2))
+        self.assertRaises(RuntimeError, it.next)
 
     def test_product(self):
         for args, result in [