code: def run_dataset_statistics(self, add_args):
      from calamari_ocr.scripts.dataset_statistics import main
  
      main(add_args)
  
file_path: calamari/calamari_ocr/test/test_scripts.py
imports: import os
  import unittest
label_desc: Use image node_id 1 for calling the TestDatasetStatistics obj's underlying member method code with example usage: obj.run_dataset_statistics(add_args) without return types