code: def main():
      parser = argparse.ArgumentParser()
      parser.add_argument(
          "--in-unit",
          required=True,
          type=Path,
          help="unit file (output from the speech normalizer)",
      )
      parser.add_argument(
          "--in-audio",
          required=True,
          type=Path,
          help="tsv file (input to the normalizer)",
      )
      parser.add_argument(
          "--output-root",
          required=True,
          type=Path,
          help="output directory",
      )
  
      args = parser.parse_args()
  
      process(args)
  
imports: import argparse
  from pathlib import Path
  from tqdm import tqdm
label_desc: Use image node_id 2 for calling a global function with example usage: main() without return types