Closes issue #20728: Remove unused import added in rev 42366e293b7b and
noticed by Claudiu Popa.
diff --git a/Lib/base64.py b/Lib/base64.py
index 573f76d..ad154ae 100755
--- a/Lib/base64.py
+++ b/Lib/base64.py
@@ -9,7 +9,6 @@
 import re
 import struct
 import binascii
-import itertools
 
 
 __all__ = [