code: def test_objectmapper(self):
      df = pdml.ModelFrame([])
      self.assertIs(
          df.multioutput.MultiOutputRegressor,
          multioutput.MultiOutputRegressor,
      )
      self.assertIs(
          df.multioutput.MultiOutputClassifier,
          multioutput.MultiOutputClassifier,
      )
  
file_path: pandas-ml/pandas_ml/skaccessors/test/test_multioutput.py
imports: import numpy
  import pandas
  import pandas_ml
  import pandas_ml.util.testing
label_desc: Use image node_id 1 for calling the TestMultiOutput obj's underlying member method code with example usage: obj.test_objectmapper() without return types