code: def test_real_multiclass_model(
      self, params, plot_params, extra_plot_settings, otto
  ):
      plot_obj = PDPIsolate(
          model=otto["model"],
          df=otto["data"],
          model_features=otto["features"],
          **params,
      )
      self._test_real_plot(plot_obj, plot_params, extra_plot_settings)
  
imports: import numpy
  import pytest
  import copy
  from abc import abstractmethod
  from pdpbox.pdp import PDPResult, PDPIsolate, PDPInteract
  from pdpbox.utils import FeatureInfo, _make_list
  from conftest import DummyModel, PlotTestBase
label_desc: Use image node_id 8 for calling the TestPDPIsolate obj's underlying member method code with example usage: obj.test_real_multiclass_model(params, plot_params, extra_plot_settings, otto) without return types