Whitespace normalization.
diff --git a/Lib/test/test_dummy_thread.py b/Lib/test/test_dummy_thread.py
index 3e79f8d..f274e0a 100644
--- a/Lib/test/test_dummy_thread.py
+++ b/Lib/test/test_dummy_thread.py
@@ -109,7 +109,7 @@
             _thread.interrupt_main()
         self.failUnlessRaises(KeyboardInterrupt, _thread.start_new_thread,
                               call_interrupt, tuple())
-    
+
     def test_interrupt_in_main(self):
         # Make sure that if interrupt_main is called in main threat that
         # KeyboardInterrupt is raised instantly.