code: def test_repr(self):
      model = self.model
      self.assertEqual(type(str(model)), str)
      self.assertEqual(type(model.__repr__()), str)
  
imports: from __future__ import print_function
  from __future__ import division
  from __future__ import absolute_import
  import unittest
  import pytest
  from .None import util
  import turicreate
  import tempfile
  import numpy
  import platform
  import sys
  import os
  from turicreate.toolkits._main import ToolkitError
  from turicreate.toolkits._internal_utils import _raise_error_if_not_sframe, _mac_ver
label_desc: Use image node_id 23 for calling the StyleTransferTest obj's underlying member method code with example usage: obj.test_repr() without return types