code: def run():
      main(parse_args())
  
file_path: calamari/calamari_ocr/scripts/eval.py
imports: from dataclasses import dataclass, field
  from typing import Optional
  import tfaip.util.logging
  import numpy
  from calamari_ocr.ocr.dataset.params import DATA_GENERATOR_CHOICES
  from paiargparse import PAIArgumentParser, pai_dataclass, pai_meta
  from calamari_ocr.ocr import SavedCalamariModel
  from calamari_ocr.ocr.dataset.datareader.base import CalamariDataGeneratorParams
  from calamari_ocr.ocr.dataset.datareader.file import FileDataParams
  from calamari_ocr.ocr.evaluator import EvaluatorParams
label_desc: Use image node_id 4 for calling a global function with example usage: run() without return types