code: def get_result_tileable(self, tileable_key: str):
      processor = list(self._task_id_to_processor.values())[-1]
      tileable_graph = processor.tileable_graph
      for result_tileable in tileable_graph.result_tileables:
          if result_tileable.key == tileable_key:
              tiled = processor.get_tiled(result_tileable)
              return build_fetch(tiled)
      raise KeyError(f"Tileable {tileable_key} does not exist")
  
imports: import asyncio
  import dataclasses
  import importlib
  import logging
  from typing import Any, Dict, Optional, Set, Type, List
  from ....None import oscar
  from ....config import Config
  from ....core import TileContext
  from ....core.operand import Fetch
  from ....typing import TileableType
  from ....utils import build_fetch
  from ...subtask import SubtaskResult, SubtaskStatus, SubtaskGraph
  from ..core import Task, TaskStatus, MapReduceInfo
  from ..execution.api import TaskExecutor
  from .preprocessor import TaskPreprocessor
  from .processor import TaskProcessor
label_desc: Use image node_id 8 for calling the TaskProcessorActor obj's underlying member method code with example usage: obj.get_result_tileable(tileable_key) and returns: build_fetch