code: def _get_sensor_id_keys(conf, parent_id_keys):
      try:
          id_keys = conf["composite_identification_keys"]
      except KeyError:
          id_keys = parent_id_keys
          if not id_keys:
              id_keys = minimal_default_keys_config
      return id_keys
  
imports: from __future__ import annotations
  import logging
  import os
  import warnings
  from functools import lru_cache, update_wrapper
  from typing import Callable, Iterable
  import yaml
  from yaml import UnsafeLoader
  import satpy
  from satpy import DataID, DataQuery
  from satpy._config import config_search_paths, get_entry_points_config_dirs, glob_config
  from satpy.dataset.dataid import minimal_default_keys_config
  from satpy.utils import recursive_dict_update
label_desc: Use image node_id 3 for calling a global function with example usage: _get_sensor_id_keys(conf, parent_id_keys) and returns: id_keys