code: def _receive(self):
      return receive()
  
file_path: nni/nni/runtime/tuner_command_channel/legacy.py
imports: import logging
  import os
  import threading
  from .command_type import CommandType
label_desc: Use image node_id 4 for calling the LegacyCommandChannel obj's underlying member method code with example usage: obj._receive() and returns: receive