Convert iterator __len__() methods to a private API.
diff --git a/Lib/test/test_iterlen.py b/Lib/test/test_iterlen.py
index b51263d..1770de2 100644
--- a/Lib/test/test_iterlen.py
+++ b/Lib/test/test_iterlen.py
@@ -43,12 +43,22 @@
import unittest
from test import test_support
-from itertools import repeat, count
+from itertools import repeat
from collections import deque
from UserList import UserList
+from __builtin__ import len as _len
n = 10
+def len(obj):
+ try:
+ return _len(obj)
+ except TypeError:
+ try:
+ return obj._length_cue()
+ except AttributeError:
+ raise TypeError
+
class TestInvariantWithoutMutations(unittest.TestCase):
def test_invariant(self):