code: def _recover_pack_split(
      self, hist: DistributedHistogram, schema, decode_schema=None
  ):
      host_hist = hist.decrypt(schema[0], schema[1], decode_schema)
      return host_hist
  
imports: import torch
  import numpy
  import logging
  from fate.arch.dataframe import DataFrame
  from fate.arch import Context
  from fate.arch.histogram import DistributedHistogram
label_desc: Use image node_id 13 for calling the SBTSplitter obj's underlying member method code with example usage: obj._recover_pack_split(hist, schema, decode_schema) and returns: host_hist