Comment out ExceptionGroup

To be implemented

Author: abyesilyurt

Lib/test/test_pickle.py

@@ -633,8 +633,8 @@ def test_exceptions(self):
                            StopAsyncIteration,
                            RecursionError,
                            EncodingWarning,
-                           BaseExceptionGroup,
-                           ExceptionGroup):
+                           #ExceptionGroup, # TODO: RUSTPYTHON
+                           BaseExceptionGroup):
                     continue
                 if exc is not OSError and issubclass(exc, OSError):
                     self.assertEqual(reverse_mapping('builtins', name),