code: def main():
      
      parser = argparse.ArgumentParser()
      parser.add_argument('--config_file', dest='config_file', help='Config file to be used in the' +
                          'run.', type=str, required=True, default=None)
      Job.Runner.addToilOptions(parser)
      params = parser.parse_args()
      START = Job.wrapJobFn(parse_config_file, params.config_file).encapsulate()
      Job.Runner.startToil(START, params)
      return None
docs: This is the main function for the UCSC Precision Immuno pipeline.