code: def _predict(
      self, X: pd.DataFrame, y: typing.Optional[pd.DataFrame]
  ) -> pd.DataFrame:
      raise NotImplementedError()
  
imports: import typing
  import copy
  import itertools
  import numpy
  import pandas
  import scipy.stats
  import sklearn.ensemble
label_desc: Use image node_id 3 for calling the AbstractSelector obj's underlying member method code with example usage: obj._predict(X, y) without return types