code: def _align_indices(self, other):
      if self.indices == other.indices:
          return other
      else:
          raise ValueError(
              f"The indexes of self and other do not meet the requirements of the four arithmetic operations"
          )
  
imports: from __future__ import annotations
  from typing import Dict, Tuple, Union, Callable, List
  import bisect
  import numpy
  import pandas
label_desc: Use image node_id 2 for calling the MultiData obj's underlying member method code with example usage: obj._align_indices(other) and returns: other