code: def _main(args):
      import torch
  
      model = _load_model(args.input_file, args.dict_dir)
      model = _import_model(model)
      torch.save(model.state_dict(), args.output_file)
  
imports: import argparse
label_desc: Use image node_id 4 for calling a global function with example usage: _main(args) without return types