code: def test_objectmapper_combine(self):
      import imblearn.combine as combine
  
      df = pdml.ModelFrame([])
      self.assertIs(df.imbalance.combine.SMOTEENN, combine.SMOTEENN)
      self.assertIs(df.imbalance.combine.SMOTETomek, combine.SMOTETomek)
  
file_path: pandas-ml/pandas_ml/imbaccessors/test/test_imbalance.py
imports: import pytest
  import numpy
  import pandas_ml
  import pandas_ml.util.testing
label_desc: Use image node_id 3 for calling the TestImbalance obj's underlying member method code with example usage: obj.test_objectmapper_combine() without return types