code: def test_direct_model_output(self):
      # Check that direct usage of ModelOutput instantiates without errors
      ModelOutput({"a": 1.1})
  
imports: import unittest
  from dataclasses import dataclass
  from typing import Optional
  from transformers.testing_utils import require_torch
  from transformers.utils import ModelOutput
label_desc: Use image node_id 1 for calling the ModelOutputSubclassTester obj's underlying member method code with example usage: obj.test_direct_model_output() without return types