Whitespace normalization.
diff --git a/Lib/encodings/string_escape.py b/Lib/encodings/string_escape.py
index 0e9a17f..c02bfee 100644
--- a/Lib/encodings/string_escape.py
+++ b/Lib/encodings/string_escape.py
@@ -14,7 +14,7 @@
 
 class StreamWriter(Codec,codecs.StreamWriter):
     pass
-        
+
 class StreamReader(Codec,codecs.StreamReader):
     pass