text: from calamari_ocr.ocr.checkpoint import Checkpoint
  from calamari_ocr.ocr.codec import Codec
  from calamari_ocr.ocr.datasets import *
  from calamari_ocr.ocr.evaluator import Evaluator
  from calamari_ocr.ocr.predictor import Predictor, MultiPredictor, PredictionResult
  from calamari_ocr.ocr.trainer import Trainer
  from calamari_ocr.ocr.cross_fold import CrossFold
  from calamari_ocr.ocr.cross_fold_trainer import CrossFoldTrainer
  import calamari_ocr.ocr.backends
  