code: def test_objectmapper(self):
      df = pdml.ModelFrame([])
      self.assertIs(
          df.discriminant_analysis.LinearDiscriminantAnalysis,
          da.LinearDiscriminantAnalysis,
      )
      self.assertIs(
          df.discriminant_analysis.QuadraticDiscriminantAnalysis,
          da.QuadraticDiscriminantAnalysis,
      )
  
      self.assertIs(
          df.da.LinearDiscriminantAnalysis,
          da.LinearDiscriminantAnalysis,
      )
      self.assertIs(
          df.da.QuadraticDiscriminantAnalysis,
          da.QuadraticDiscriminantAnalysis,
      )
  
file_path: pandas-ml/pandas_ml/skaccessors/test/test_discriminant_analysis.py
imports: import pytest
  import sklearn.datasets
  import pandas_ml
  import pandas_ml.util.testing
label_desc: Use image node_id 1 for calling the TestDiscriminantAnalysis obj's underlying member method code with example usage: obj.test_objectmapper() without return types