code: def _get_unprocessed_task_processor(self):
      for processor in self._task_id_to_processor.values():
          if processor.result.status == TaskStatus.pending:
              return processor
  
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 4 for calling the TaskProcessorActor obj's underlying member method code with example usage: obj._get_unprocessed_task_processor() and returns: processor