diff --git a/Lib/test/test_bisect.py b/Lib/test/test_bisect.py
index 97204d4ca..a7e1f533f 100644
--- a/Lib/test/test_bisect.py
+++ b/Lib/test/test_bisect.py
@@ -391,9 +391,9 @@ class TestErrorHandlingC(TestErrorHandling, unittest.TestCase):
 
 class TestDocExample:
     def test_grades(self):
-        def grade(score, breakpoints=[60, 70, 80, 90], grades='FDCBA'):
-            i = self.module.bisect(breakpoints, score)
-            return grades[i]
+        def grade(score):
+            i = self.module.bisect([60, 70, 80, 90], score)
+            return "FDCBA"[i]
 
         result = [grade(score) for score in [33, 99, 77, 70, 89, 90, 100]]
         self.assertEqual(result, ['F', 'A', 'C', 'C', 'B', 'A', 'A'])