code: def main(cfg):
      if cfg.data_simulator.rir_generation.use_rir:
          simulator = RIRMultiSpeakerSimulator(cfg=cfg)
      else:
          simulator = MultiSpeakerSimulator(cfg=cfg)
  
      set_start_method("spawn", force=True)
      simulator.generate_sessions()
  
label_desc: Use image node_id 1 for calling a global function with example usage: main(cfg) without return types