code: def i_cumsum_bins(self):
      self._data.i_cumsum_bins(self._indexer.global_flatten_bin_sizes())
      return self
  
file_path: FATE/python/fate/arch/histogram/_histogram_local.py
imports: import logging
  import typing
  from ._histogram_splits import HistogramSplits
  from .indexer import HistogramIndexer, Shuffler
  from .values import HistogramValuesContainer
label_desc: Use image node_id 10 for calling the Histogram obj's underlying member method code with example usage: obj.i_cumsum_bins() and returns: self