code: def _get_tuner_fn(
      exec_properties: Dict[str, Any]
  ) -> Callable[..., Any]:
      """Returns tuner_fn from execution properties."""
      return udf_utils.get_fn(exec_properties, "tuner_fn")
  
imports: import json
  import os
  from typing import Any, Callable, Dict, List, Optional
  from absl import logging
  from keras_tuner.engine import base_tuner
  from keras_tuner.engine import trial
  from tfx import types
  from tfx.components.trainer import fn_args_utils
  from tfx.components.util import udf_utils
  from tfx.dsl.components.base import base_executor
  from tfx.proto import tuner_pb2
  from tfx.types import artifact_utils
  from tfx.types import standard_component_specs
  from tfx.utils import io_utils
  from tfx.utils import proto_utils
label_desc: Use image node_id 1 for calling a global function with example usage: _get_tuner_fn(exec_properties) and returns: udf_utils