code: def iadd(self, other: "HistogramSplits"):
      self._data.iadd(other._data)
      return self
  
file_path: FATE/python/fate/arch/histogram/_histogram_splits.py
imports: import logging
  import typing
  from typing import List, Tuple
  from .values import HistogramValuesContainer
  from .indexer import Shuffler
label_desc: Use image node_id 4 for calling the HistogramSplits obj's underlying member method code with example usage: obj.iadd(other) and returns: self