#1535: rename __builtin__ module to builtins.
diff --git a/Lib/codecs.py b/Lib/codecs.py
index 982c282..06cec17 100644
--- a/Lib/codecs.py
+++ b/Lib/codecs.py
@@ -7,7 +7,7 @@
 
 """#"
 
-import __builtin__, sys
+import builtins, sys
 
 ### Registry and builtin stateless codec functions
 
@@ -858,7 +858,7 @@
        'b' not in mode:
         # Force opening of the file in binary mode
         mode = mode + 'b'
-    file = __builtin__.open(filename, mode, buffering)
+    file = builtins.open(filename, mode, buffering)
     if encoding is None:
         return file
     info = lookup(encoding)