old_contents: import argparse
  import logging
  
  from rasa import version
  from rasa.cli import (scaffold, run, train, interactive, shell, test,
                        show, data)
  from rasa_core.cli.arguments import add_logging_option_arguments
  from rasa_core.utils import configure_colored_logging
  
  from rasa.cli.utils import parse_last_positional_argument_as_model_path
  
  logger = logging.getLogger(__name__)
  
  
  def create_argument_parser() -> argparse.ArgumentParser:
      """Parse all the command line arguments for the training script."""
      parser = argparse.ArgumentParser(
          prog="rasa",
          formatter_class=argparse.ArgumentDefaultsHelpFormatter,
          description="Rasa command line interface. Rasa allows you to build "
                      "your own conversational assistants 🤖. The 'rasa' command "
                      "allows you to easily run most common commands like "
                      "creating a new bot, training or evaluating models.")
  
      parser.add_argument("--version", action='store_true',
                          default=argparse.SUPPRESS,
                          help="Print installed Rasa version")
  
      parent_parser = argparse.ArgumentParser(add_help=False)
      add_logging_option_arguments(parent_parser)
      parent_parsers = [parent_parser]
  
      subparsers = parser.add_subparsers(help='Rasa commands')
  
      scaffold.add_subparser(subparsers, parents=parent_parsers)
      run.add_subparser(subparsers, parents=parent_parsers)
      shell.add_subparser(subparsers, parents=parent_parsers)
      train.add_subparser(subparsers, parents=parent_parsers)
      interactive.add_subparser(subparsers, parents=parent_parsers)
      test.add_subparser(subparsers, parents=parent_parsers)
      show.add_subparser(subparsers, parents=parent_parsers)
      data.add_subparser(subparsers, parents=parent_parsers)
  
      return parser
  
  
  def print_version() -> None:
      print("Rasa", version.__version__)
  
  
  def main() -> None:
      # Running as standalone python application
      parse_last_positional_argument_as_model_path()
      arg_parser = create_argument_parser()
      cmdline_arguments = arg_parser.parse_args()
  
      if hasattr(cmdline_arguments, "func"):
          configure_colored_logging(cmdline_arguments.loglevel)
          cmdline_arguments.func(cmdline_arguments)
      elif hasattr(cmdline_arguments, "version"):
          print_version()
      else:
          # user has not provided a subcommand, let's print the help
          logger.error("No command specified.")
          arg_parser.print_help()
          exit(1)
  
  
  if __name__ == '__main__':
      main()
  
new_contents: import argparse
  import logging
  
  from rasa import version
  from rasa.cli import (scaffold, run, train, interactive, shell, test,
                        show, data)
  from rasa_core.cli.arguments import add_logging_option_arguments
  from rasa_core.utils import configure_colored_logging
  
  from rasa.cli.utils import parse_last_positional_argument_as_model_path
  
  logger = logging.getLogger(__name__)
  
  
  def create_argument_parser() -> argparse.ArgumentParser:
      """Parse all the command line arguments for the training script."""
  
      parser = argparse.ArgumentParser(
          prog="rasa",
          formatter_class=argparse.ArgumentDefaultsHelpFormatter,
          description="Rasa command line interface. Rasa allows you to build "
                      "your own conversational assistants 🤖. The 'rasa' command "
                      "allows you to easily run most common commands like "
                      "creating a new bot, training or evaluating models.")
  
      parser.add_argument("--version", action='store_true',
                          default=argparse.SUPPRESS,
                          help="Print installed Rasa version")
  
      parent_parser = argparse.ArgumentParser(add_help=False)
      add_logging_option_arguments(parent_parser)
      parent_parsers = [parent_parser]
  
      subparsers = parser.add_subparsers(help='Rasa commands')
  
      scaffold.add_subparser(subparsers, parents=parent_parsers)
      run.add_subparser(subparsers, parents=parent_parsers)
      shell.add_subparser(subparsers, parents=parent_parsers)
      train.add_subparser(subparsers, parents=parent_parsers)
      interactive.add_subparser(subparsers, parents=parent_parsers)
      test.add_subparser(subparsers, parents=parent_parsers)
      show.add_subparser(subparsers, parents=parent_parsers)
      data.add_subparser(subparsers, parents=parent_parsers)
  
      return parser
  
  
  def print_version() -> None:
      print("Rasa", version.__version__)
  
  
  def main() -> None:
      # Running as standalone python application
      parse_last_positional_argument_as_model_path()
      arg_parser = create_argument_parser()
      cmdline_arguments = arg_parser.parse_args()
  
      if hasattr(cmdline_arguments, "func"):
          configure_colored_logging(cmdline_arguments.loglevel)
          cmdline_arguments.func(cmdline_arguments)
      elif hasattr(cmdline_arguments, "version"):
          print_version()
      else:
          # user has not provided a subcommand, let's print the help
          logger.error("No command specified.")
          arg_parser.print_help()
          exit(1)
  
  
  if __name__ == '__main__':
      main()
  
subject: add empty line