Whitespace normalization.
diff --git a/Lib/formatter.py b/Lib/formatter.py
index 4d6a129..359975b 100644
--- a/Lib/formatter.py
+++ b/Lib/formatter.py
@@ -9,13 +9,13 @@
 margin indentations. A mechanism is provided which supports providing
 arbitrary, non-exclusive style settings to a writer as well. Additional
 interfaces facilitate formatting events which are not reversible, such as
-paragraph separation. 
+paragraph separation.
 
 Writer objects encapsulate device interfaces. Abstract devices, such as
 file formats, are supported as well as physical devices. The provided
 implementations all work with abstract devices. The interface makes
 available mechanisms for setting the properties which formatter objects
-manage and inserting data into the output. 
+manage and inserting data into the output.
 """
 
 import string