Whitespace normalization.
diff --git a/Lib/genericpath.py b/Lib/genericpath.py
index 6d11ec0..e2bc7da 100644
--- a/Lib/genericpath.py
+++ b/Lib/genericpath.py
@@ -84,7 +84,7 @@
 # Generic implementation of splitext, to be parametrized with
 # the separators
 def _splitext(p, sep, altsep, extsep):
-    """Split the extension from a pathname.  
+    """Split the extension from a pathname.
 
     Extension is everything from the last dot to the end, ignoring
     leading dots.  Returns "(root, ext)"; ext may be empty."""