code: def main():
      desc = "Launch a sweep on the cluster."
      sweep_config.load_cfg_fom_args(desc)
      sweep_cfg.freeze()
      sweep_launch()
  
imports: import os
  import pycls.sweep.config
  from pycls.sweep.config import sweep_cfg
label_desc: Use image node_id 2 for calling a global function with example usage: main() without return types