class_docstr: A auto suffix that will auto increase count
class_docstr_tok: ["A","auto","suffix","that","will","auto","increase","count"]
code: def __call__(self):
      concat_suffix = self.suffix_str + "_" + str(self._count)
      self._count += 1
      return concat_suffix
  
imports: import logging
  from typing import Optional
  import numpy
  import torch
  from fate.arch import Context
  from fate.arch.protocol.secure_aggregation._secure_aggregation import SecureAggregatorClient
  from fate.arch.protocol.secure_aggregation._secure_aggregation import SecureAggregatorServer
label_desc: Use image node_id 2 for calling the AutoSuffix obj's underlying member method code with example usage: obj.__call__() and returns: concat_suffix