code: def main(params):
      trainer = CrossFoldTrainer(params)
      logger.info("Running cross fold train with params")
      logger.info(params.to_json(indent=2))
      trainer.run()
  
imports: from paiargparse import PAIArgumentParser
  from tfaip.util.logging import logger
  from calamari_ocr.ocr.training.cross_fold_trainer import CrossFoldTrainer, CrossFoldTrainerParams
label_desc: Use image node_id 3 for calling a global function with example usage: main(params) without return types