code: def main():
      params = arguments.ConfigArgumentParser(
          description="Preprocesses and shards training data."
      )
      arguments.add_prepare_data_cli_args(params)
      args = params.parse_args()
      prepare_data(args)
  
file_path: sockeye/sockeye/prepare_data.py
imports: import argparse
  import logging
  import os
  from .None import arguments
  from .None import constants
  from .None import data_io
  from .None import utils
  from .None import vocab
  from .log import setup_main_logger
label_desc: Use image node_id 1 for calling a global function with example usage: main() without return types