code: def main():
      common.main(
          run_treebank,
          "mwt",
          "mwt_expander",
          sub_argparse=mwt_expander.build_argparse(),
      )
  
file_path: stanza/stanza/utils/training/run_mwt.py
imports: import logging
  import math
  from stanza.models import mwt_expander
  from stanza.models.common.doc import Document
  from stanza.utils.conll import CoNLL
  from stanza.utils.training import common
  from stanza.utils.training.common import Mode
  from stanza.utils.max_mwt_length import max_mwt_length
label_desc: Use image node_id 3 for calling a global function with example usage: main() without return types