Whitespace normalization.

Since test_file is implicated in mysterious test failures
when followed by test_optparse, if I had any brains I'd
look at the checkin that last changed test_file ;-)
diff --git a/Lib/test/test_file.py b/Lib/test/test_file.py
index 31527a0..aee7c36 100644
--- a/Lib/test/test_file.py
+++ b/Lib/test/test_file.py
@@ -86,7 +86,7 @@
         self.assertEquals(f.name, TESTFN)
         self.assert_(not f.isatty())
         self.assert_(not f.closed)
-        
+
         self.assertRaises(TypeError, f.readinto, "")
         f.close()
         self.assert_(f.closed)