class_docstr: An operation which loads the games played while training an
  OpenAlphaTensor model.
class_docstr_tok: ["An","operation","which","loads","the","games","played","while","training","an","OpenAlphaTensor","model","."]
code: def __init__(self):
      super().__init__()
      self._loaded = False
  
imports: from pathlib import Path
  from typing import Any
  import torch
  from nebullvm.operations.base import Operation
  from open_alpha_tensor.config import BASE_CHECKPOINT_DATA_DIR, BASE_CHECKPOINT_DIR
  from open_alpha_tensor.core.modules.alpha_tensor import AlphaTensorModel
  from open_alpha_tensor.core.training import Trainer
label_desc: Use image node_id 1 to create a new LoadCheckpointDataOp object from inherited base classes: Operation with example: obj = LoadCheckpointDataOp()