Whitespace normalization.
diff --git a/Lib/test/test_struct.py b/Lib/test/test_struct.py
index 1420a08..59cace2 100644
--- a/Lib/test/test_struct.py
+++ b/Lib/test/test_struct.py
@@ -509,7 +509,6 @@
 
 def test_main():
     test.test_support.run_unittest(PackBufferTestCase)
-    
+
 if __name__ == "__main__":
     test_main()
-