Whitespace normalization, plus:
+ test_quopri.py relied on significant trailing spaces.  Fixed.
+ test_dircache.py (still) doesn't work on Windows (directory mtime on
  Windows doesn't work like it does on Unix).
diff --git a/Lib/test/test_os.py b/Lib/test/test_os.py
index c1889e1..470e347 100644
--- a/Lib/test/test_os.py
+++ b/Lib/test/test_os.py
@@ -52,7 +52,7 @@
         if not hasattr(os, "tmpnam"):
             return
         self.check_tempfile(os.tmpnam())
-        
+
 
 
 run_unittest(TemporaryFileTests)