code: def cli_main():
      parser = get_parser()
      args = parser.parse_args()
      main(args)
  
file_path: gluon-nlp/scripts/processing/learn_subword.py
imports: from gluonnlp.utils.lazy_imports import try_import_sentencepiece, try_import_subword_nmt, try_import_yttm, try_import_huggingface_tokenizers
  from pkg_resources import parse_version
  import argparse
  import warnings
  import textwrap
  import os
  from collections import OrderedDict
  import json
  from uuid import uuid4
  from packaging import version
  from gluonnlp.data import Vocab
label_desc: Use image node_id 4 for calling a global function with example usage: cli_main() without return types