code: def test_sarray(self):
      sarray = self.content_sf[self.content_feature][:2]
      imgs = self.model.stylize(sarray, style=0)
      self.assertTrue(isinstance(imgs, tc.SArray))
      self.assertEqual(len(imgs), len(sarray))
  
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 18 for calling the StyleTransferTest obj's underlying member method code with example usage: obj.test_sarray() without return types