code: def _is_chunk_tuple(some_obj: Any) -> bool:
      if not isinstance(some_obj, tuple):
          return False
      if not all(isinstance(sub_obj, tuple) for sub_obj in some_obj):
          return False
      sub_elements = [
          sub_obj_elem
          for sub_obj in some_obj
          for sub_obj_elem in sub_obj
      ]
      return all(
          isinstance(sub_obj_elem, int) for sub_obj_elem in sub_elements
      )
  
imports: from __future__ import annotations
  import hashlib
  import os
  import shutil
  import warnings
  from datetime import datetime
  from functools import update_wrapper
  from glob import glob
  from typing import Any, Callable, Optional, Union
  import dask
  import numpy
  import xarray
  from dask import array
  from pyorbital.astronomy import cos_zen
  from pyorbital.astronomy import get_alt_az
  from pyorbital.orbital import get_observer_look
  from pyresample.geometry import AreaDefinition, StackedAreaDefinition, SwathDefinition
  import satpy
  from satpy.utils import PerformanceWarning, get_satpos, ignore_invalid_float_warnings
label_desc: Use image node_id 6 for calling a global function with example usage: _is_chunk_tuple(some_obj) and returns: all, False, False