code: def setUp(self):
      self.feature_extract_tester = ImageGPTFeatureExtractionTester(
          self
      )
  
imports: import json
  import os
  import tempfile
  import unittest
  import numpy
  from datasets import load_dataset
  from transformers.testing_utils import require_torch, require_vision, slow
  from transformers.utils import is_torch_available, is_vision_available
  from ...test_feature_extraction_common import FeatureExtractionSavingTestMixin
label_desc: Use image node_id 1 for calling the ImageGPTFeatureExtractionTest obj's underlying member method code with example usage: obj.setUp() without return types