class_docstr: Base class defining the distribution default behavior and interface
docstr: Overload this method to update the idx_col dict with expanded colnames.
  
  Args:
      idx_col: The original index to column mapping.
  
  Returns:
      Updated index to column mapping.
docstr_tok: ["Overload","this","method","to","update","the","idx_col","dict","with","expanded","colnames",".","Args",":","idx_col",":","The","original","index","to","column","mapping",".","Returns",":","Updated","index","to","column","mapping","."]
code: def update_idx_col(self, idx_col: Dict[int, str]) -> Dict[int, str]:
      """
      Overload this method to update the idx_col dict with expanded colnames.
  
      Args:
          idx_col: The original index to column mapping.
  
      Returns:
          Updated index to column mapping.
      """
      return idx_col
  
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 6 for calling the DistTypeBase obj's underlying member method code with example usage: obj.update_idx_col(idx_col) and returns: idx_col