code: def test_model_from_pretrained(self):
      for (
          model_name
      ) in TRAJECTORY_TRANSFORMER_PRETRAINED_MODEL_ARCHIVE_LIST[:1]:
          model = TrajectoryTransformerModel.from_pretrained(model_name)
          self.assertIsNotNone(model)
  
imports: import inspect
  import unittest
  import numpy
  from transformers import TrajectoryTransformerConfig, is_torch_available
  from transformers.testing_utils import require_torch, slow, torch_device
  from ...generation.test_generation_utils import GenerationTesterMixin
  from ...test_configuration_common import ConfigTester
  from ...test_modeling_common import ModelTesterMixin, _config_zero_init, random_attention_mask
label_desc: Use image node_id 11 for calling the TrajectoryTransformerModelTest obj's underlying member method code with example usage: obj.test_model_from_pretrained() without return types