Whitespace normalization.
diff --git a/Lib/email/Charset.py b/Lib/email/Charset.py
index 9a54dab..c0fe9d7 100644
--- a/Lib/email/Charset.py
+++ b/Lib/email/Charset.py
@@ -11,7 +11,7 @@
     from types import UnicodeType
     def _is_unicode(x):
         return isinstance(x, UnicodeType)
-    
+
 from email.Encoders import encode_7or8bit
 import email.base64MIME
 import email.quopriMIME