class_docstr: Manages a TensorFlow estimator for training.
class_docstr_tok: ["Manages","a","TensorFlow","estimator","for","training","."]
docstr: Initializes the model.
docstr_tok: ["Initializes","the","model","."]
code: def setup_local(self) -> None:
      """Initializes the model."""
      self.backend = "tf-local"
      self.size = 1
      self.rank = 0
      from tensorflow.python.distribute import (
          distribution_strategy_context as ds_context,
      )
  
      self.strategy = ds_context.get_strategy()
  
file_path: BigDL/python/orca/src/bigdl/orca/learn/tf/tf_runner.py
imports: from contextlib import closing
  import json
  import logging
  import os
  import socket
  import ray
  from bigdl.dllib.utils.log4Error import invalidInputError
  from typing import TYPE_CHECKING, Any
label_desc: Use image node_id 3 for calling the TFRunner obj's underlying member method code with example usage: obj.setup_local() without return types