code: def update_search_space(self, search_space):
      pass
  
file_path: nni/ts/nni_manager/test/core/dummy_tuner.py
imports: from nni.tuner import Tuner
label_desc: Use image node_id 5 for calling the DummyTuner obj's underlying member method code with example usage: obj.update_search_space(search_space) without return types