class_docstr: Base class defining the distribution default behavior and interface
docstr: Overload this method to perform any required preprocessing of the tabu_edges.
  
  Args:
      tabu_edges: The original tabu_edges.
  
  Returns:
      Preprocessed tabu_edges.
docstr_tok: ["Overload","this","method","to","perform","any","required","preprocessing","of","the","tabu_edges",".","Args",":","tabu_edges",":","The","original","tabu_edges",".","Returns",":","Preprocessed","tabu_edges","."]
code: def preprocess_tabu_edges(
      self, tabu_edges: List[Tuple[int, int]]
  ) -> List[Tuple[int, int]]:
      """
      Overload this method to perform any required preprocessing of the tabu_edges.
  
      Args:
          tabu_edges: The original tabu_edges.
  
      Returns:
          Preprocessed tabu_edges.
      """
      return tabu_edges
  
imports: import itertools
  from abc import ABCMeta, abstractmethod
  from copy import deepcopy
  from typing import Dict, List, Tuple
  import numpy
  import torch
  from causalnex.structure.structuremodel import StructureModel
label_desc: Use image node_id 4 for calling the DistTypeBase obj's underlying member method code with example usage: obj.preprocess_tabu_edges(tabu_edges) and returns: tabu_edges