code: def value_function(self) -> TensorType:
      return self._value
  
file_path: ray/rllib_contrib/leela_chess_zero/src/rllib_leela_chess_zero/leela_chess_zero/leela_chess_zero_model.py
imports: import numpy
  from ray.rllib.models.preprocessors import get_preprocessor
  from ray.rllib.models.torch.torch_modelv2 import TorchModelV2
  from ray.rllib.utils.annotations import override
  from ray.rllib.utils.framework import try_import_torch
  from ray.rllib.utils.typing import ModelConfigDict, TensorType
label_desc: Use image node_id 3 for calling the LeelaChessZeroModel obj's underlying member method code with example usage: obj.value_function() and returns: self