code: def _canonicalize(self, parents):
      super()._canonicalize(parents)
      self.gpu_indices = utils.canonical_gpu_indices(self.gpu_indices)
      self.nni_manager_ip = None
  
file_path: nni/nni/experiment/config/training_services/local.py
imports: from dataclasses import dataclass
  from typing import List, Optional, Union
  from typing_extensions import Literal
  from ..training_service import TrainingServiceConfig
  from ..None import utils
label_desc: Use image node_id 1 for calling the LocalConfig obj's underlying member method code with example usage: obj._canonicalize(parents) without return types