code: def _fuse_preprocess(self, evaluator: Evaluator) -> None:
      self._initialize_state()
      self._register_trigger(evaluator)
      self.bound_pruner._fuse_preprocess(evaluator)
  
imports: from __future__ import annotations
  from collections import defaultdict
  import logging
  from typing import Dict, List
  import torch
  from ..base.compressor import Pruner
  from ..base.wrapper import ModuleWrapper
  from ..utils import Evaluator, _EVALUATOR_DOCSTRING
  from .basic_pruner import LevelPruner, L1NormPruner, L2NormPruner, FPGMPruner
  from .slim_pruner import SlimPruner
  from .taylor_pruner import TaylorPruner
label_desc: Use image node_id 6 for calling the _ComboPruner obj's underlying member method code with example usage: obj._fuse_preprocess(evaluator) without return types