code: def test_set_attributes(self):
      x = ModelOutputTest(a=30)
      x.a = 10
      self.assertEqual(x.a, 10)
      self.assertEqual(x["a"], 10)
  
file_path: H2O/h2o_flexgen/benchmark/third_party/transformers/tests/utils/test_model_output.py
imports: import unittest
  from dataclasses import dataclass
  from typing import Optional
  from transformers.utils import ModelOutput
label_desc: Use image node_id 5 for calling the ModelOutputTester obj's underlying member method code with example usage: obj.test_set_attributes() without return types