code: def test_load_model(self):
      try:
          _ = OPTForCausalLM.from_pretrained(self.path_model)
      except BaseException:
          self.fail("Failed loading model")
  
imports: import copy
  import tempfile
  import unittest
  import timeout_decorator
  from transformers import OPTConfig, is_torch_available
  from transformers.testing_utils import require_torch, require_torch_gpu, slow, torch_device
  from ...generation.test_generation_utils import GenerationTesterMixin
  from ...test_configuration_common import ConfigTester
  from ...test_modeling_common import ModelTesterMixin, ids_tensor
label_desc: Use image node_id 2 for calling the OPTEmbeddingsTest obj's underlying member method code with example usage: obj.test_load_model() without return types