code: def create_and_check_model(self, config, pixel_values, labels):
      model = PvtModel(config=config)
      model.to(torch_device)
      model.eval()
      result = model(pixel_values)
      self.parent.assertIsNotNone(result.last_hidden_state)
  
imports: import unittest
  from transformers import is_torch_available, is_vision_available
  from transformers.models.auto import get_values
  from transformers.testing_utils import require_accelerate, require_torch, require_torch_accelerator, require_torch_fp16, slow, torch_device
  from ...test_configuration_common import ConfigTester
  from ...test_modeling_common import ModelTesterMixin, floats_tensor, ids_tensor
  from ...test_pipeline_mixin import PipelineTesterMixin
label_desc: Use image node_id 4 for calling the PvtModelTester obj's underlying member method code with example usage: obj.create_and_check_model(config, pixel_values, labels) without return types