code: def validate_keys(obj, keys, object_label=None):
      for key in keys:
          validate_key(obj, key, object_label)
  
file_path: snips-nlu/snips_nlu/common/dataset_utils.py
imports: from snips_nlu.constants import INTENTS, UTTERANCES, DATA, SLOT_NAME, ENTITY
  from snips_nlu.exceptions import DatasetFormatError
label_desc: Use image node_id 5 for calling a global function with example usage: validate_keys(obj, keys, object_label) without return types