diff --git a/Lib/locale.py b/Lib/locale.py
index 3f30ca0..ce0ca81 100644
--- a/Lib/locale.py
+++ b/Lib/locale.py
@@ -12,7 +12,7 @@
 """
 
 import sys, encodings, encodings.aliases
-from __builtin__ import str as _builtin_str
+from builtins import str as _builtin_str
 
 # Try importing the _locale module.
 #