code: def test_set_classy_state_plain(self):
      # We use the same model architecture to save and load a model state.
      # This is a plain use case of `set_classy_state` method
      for model_config in self.model_configs:
          model = build_model(model_config)
          model_state = model.get_classy_state()
  
          model2 = build_model(model_config)
          model2.set_classy_state(model_state)
          model2_state = model2.get_classy_state()
          compare_model_state(self, model_state, model2_state)
  
file_path: ClassyVision/test/models_resnext3d_test.py
imports: import copy
  import unittest
  import torch
  from classy_vision.models import build_model, ClassyModel
  from test.generic.utils import compare_model_state
label_desc: Use image node_id 4 for calling the TestResNeXt3D obj's underlying member method code with example usage: obj.test_set_classy_state_plain() without return types