code: def main(args=None):
      args = parse_args(args=args)
      torch.manual_seed(0)
      if args.mode == "train":
          train_model(args)
      else:
          eval_model(args)
  
file_path: stanza/stanza/models/lang_identifier.py
imports: import argparse
  import json
  import logging
  import os
  import random
  import torch
  from datetime import datetime
  from stanza.models.common import utils
  from stanza.models.langid.data import DataLoader
  from stanza.models.langid.trainer import Trainer
  from stanza.utils.get_tqdm import get_tqdm
label_desc: Use image node_id 3 for calling a global function with example usage: main(args) without return types