code: def main():
      ''' ChirpText Tools main function '''
      app = CLIApp(desc='ChirpText Tools', logger=__name__, show_version=show_version)
      # add tasks
      vocab_task = app.add_task('vocab', func=gen_vocab)
      vocab_task.add_argument('input', help='Input file')
      vocab_task.add_argument('--output', help='Output file', default=None)
      vocab_task.add_argument('--stopwords', help='Stop word to ignore', default=None)
      vocab_task.add_argument('-k', '--topk', help='Only select the top k frequent elements', default=None, type=int)
      # run app
      app.run(f main():
      ''' ChirpText Tools main function '''
      app = CLIApp(desc='ChirpText Tools', logger=__name__, show_version=show_version)
      # add tasks
      vocab_task = app.add_task('vocab', func=gen_vocab)
      vocab_task.add_argument('input', help='Input file')
      vocab_task.add_argument('--output', help='Output file', default=None)
      vocab_task.add_argument('--stopwords', help='Stop word to ignore', default=None)
      vocab_task.add_argument('-k', '--topk', help='Only select the top k frequent elements', default=None, type=int)
      # run app
      app.run()
docs: ChirpText Tools main function