#1535: rename __builtin__ module to builtins.
diff --git a/Lib/test/test_iterlen.py b/Lib/test/test_iterlen.py
index afd7287..93b77b6 100644
--- a/Lib/test/test_iterlen.py
+++ b/Lib/test/test_iterlen.py
@@ -46,7 +46,7 @@
 from itertools import repeat
 from collections import deque
 from UserList import UserList
-from __builtin__ import len as _len
+from builtins import len as _len
 
 n = 10