Fix typo so that the test actually calls the tested function.

Lib/test/test_enumerate.py

@@ -105,7 +105,7 @@ class EnumerateTestCase(unittest.TestCase):
     def test_tuple_reuse(self):
         # Tests an implementation detail where tuple is reused
         # whenever nothing else holds a reference to it
-        self.assertEqual(len(Set(map(id, list(self.seq)))), len(self.seq))
+        self.assertEqual(len(Set(map(id, list(enumerate(self.seq))))), len(self.seq))
         self.assertEqual(len(Set(map(id, enumerate(self.seq)))), min(1,len(self.seq)))
 
 class MyEnum(enumerate):