Add Comment for TryStar Annotation

Author: loechel

src/RestrictedPython/transformer.py

@@ -1155,7 +1155,7 @@ def visit_Try(self, node: ast.Try) -> ast.AST:
     def visit_TryStar(self, node: ast.AST) -> ast.AST:
         """Disallow `ExceptionGroup` due to a potential sandbox escape.
 
-        TODO: Type Annotation for node when dropping support 
+        TODO: Type Annotation for node when dropping support
               for Python < 3.11 should be ast.TryStar.
         """
         self.not_allowed(node)