code: def post_chunk_graph_execution(self):
      for tileable in self.tileable_graph:
          tiled_tileable = self.tile_context.get(tileable)
          if (
              tiled_tileable is not None
              and self._check_options["check_nsplits"]
              and tileable.key not in self._tileable_checked
              and not isinstance(tileable, OBJECT_TYPE)
          ):
              self._check_nsplits(tiled_tileable)
              self._tileable_checked[tileable.key] = True
  
imports: import itertools
  from collections import defaultdict
  from functools import partial
  from typing import Callable, Dict, List
  import numpy
  from .....core import TileableType, ChunkGraph, OBJECT_TYPE, enter_mode, register, unregister
  from .....core.operand import Fetch, ShuffleProxy
  from .....core.operand.shuffle import ShuffleFetchType
  from .....resource import Resource
  from .....tests.core import _check_args, ObjectCheckMixin
  from .....typing import BandType, ChunkType
  from ....subtask import Subtask, SubtaskGraph
  from ...analyzer import GraphAnalyzer
  from ..preprocessor import CancellableTiler, TaskPreprocessor
label_desc: Use image node_id 5 for calling the CheckedTaskPreprocessor obj's underlying member method code with example usage: obj.post_chunk_graph_execution() without return types