code: def _single_compress(
      self, max_steps: int | None, max_epochs: int | None
  ):
      self._fusion_compress(max_steps, max_epochs)
  
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 5 for calling the _ComboPruner obj's underlying member method code with example usage: obj._single_compress(max_steps, max_epochs) without return types