code: def test_save_and_load(self):
      for index in range(len(self.models)):
          old_model, data = self.models[index], self.trains[index]
          with test_util.TempDirectory() as filename:
              old_model.save(filename)
              new_model = _tc.load_model(filename)
              old_preds = old_model.predict(data)
              new_preds = new_model.predict(data)
              assert (
                  new_preds.dtype == old_preds.dtype
                  and (new_preds == old_preds).all()
              )
  
imports: from __future__ import print_function
  from __future__ import division
  from __future__ import absolute_import
  import os
  import turicreate
  from turicreate.toolkits._main import ToolkitError
  import numpy
  import tempfile
  from array import array
  import sys
  from .None import util
  import unittest
label_desc: Use image node_id 24 for calling the DrawingClassifierTest obj's underlying member method code with example usage: obj.test_save_and_load() without return types