code: def _patch_classes() -> None:
      setattr(pl.accelerators, "IPUAccelerator", IPUAccelerator)
      setattr(pl.strategies, "IPUStrategy", IPUStrategy)
      setattr(pl.plugins, "IPUPrecisionPlugin", IPUPrecisionPlugin)
      setattr(
          pl.plugins.precision, "IPUPrecisionPlugin", IPUPrecisionPlugin
      )
  
file_path: pytorch-lightning/src/lightning/pytorch/_graveyard/ipu.py
imports: import sys
  from typing import Any
  import lightning.pytorch
label_desc: Use image node_id 2 for calling a global function with example usage: _patch_classes() without return types