code: def test_get_styles_success(self):
      style = [0, 1, 2]
      model = self.model
      model_styles = model.get_styles(style=style)
  
      # Check the structure of the output
      _raise_error_if_not_sframe(model_styles)
      self.assertEqual(len(model_styles), len(style))
  
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 20 for calling the StyleTransferTest obj's underlying member method code with example usage: obj.test_get_styles_success() without return types