code: def update_search_space(self, search_space):
      pass
  
file_path: nni/test/training_service/config/multi_thread/multi_thread_tuner.py
imports: import logging
  import time
  from nni.tuner import Tuner
label_desc: Use image node_id 4 for calling the MultiThreadTuner obj's underlying member method code with example usage: obj.update_search_space(search_space) without return types