code: def setUpClass(self, model="resnet-50"):
      self.feature = "awesome_image"
      self.label = None
      self.input_image_shape = (3, 224, 224)
      self.pre_trained_model = model
      self.sf = _get_data(self.input_image_shape[2])
  
imports: from __future__ import print_function
  from __future__ import division
  from __future__ import absolute_import
  import unittest
  import pytest
  import turicreate
  from turicreate.toolkits._internal_utils import _mac_ver
  import tempfile
  import shutil
  import coremltools
  import numpy
  from turicreate.toolkits._main import ToolkitError
label_desc: Use image node_id 1 for calling the ImageSimilarityGPUTest obj's underlying member method code with example usage: obj.setUpClass(model) without return types