Whitespace

Co-authored-by: AN Long <aisk@users.noreply.github.com>

Author: hugovk

Lib/test/test_socketserver.py

@@ -520,5 +520,6 @@ def test_deprecated__version__(self):
             getattr(socketserver, "__version__")
         self.assertEqual(cm.filename, __file__)
 
+
 if __name__ == "__main__":
     unittest.main()