code: def empty(self):
      return len(self._target) == 0
  
imports: import os
  import asyncio
  import copy
  import json
  import heapq
  import logging
  import operator
  from collections import Counter
  from collections.abc import Mapping
  from .backends.message import SendMessage, TellMessage
  from ..typing import BandType
label_desc: Use image node_id 6 for calling the ProfilingDataOperator obj's underlying member method code with example usage: obj.empty() and returns: unknown