code: def load_tree_object(filename):
      
      with open(filename) as file_obj:
          tree_ensemble_obj = pickle.load(file_obj)
      return tree_ensemble_obj
docs: Load scikit-learn decision tree ensemble object from file.
      
      Parameters
      ----------
      filename : str
          Name of the pickle file containing the tree object.
      
      Returns
      -------
      tree ensemble object