Whitespace normalization.
diff --git a/Lib/StringIO.py b/Lib/StringIO.py
index 6422f76..4739d13 100644
--- a/Lib/StringIO.py
+++ b/Lib/StringIO.py
@@ -142,7 +142,7 @@
         return lines
 
     def truncate(self, size=None):
-        _complain_ifclosed(self.closed) 
+        _complain_ifclosed(self.closed)
         if size is None:
             size = self.pos
         elif size < 0: