code: def cls():
      from calamari_ocr.ocr.model.model import Model
  
      return Model
  
file_path: calamari/calamari_ocr/ocr/model/params.py
imports: from dataclasses import dataclass, field
  from typing import List, Tuple, Any, Union
  from paiargparse import pai_dataclass, pai_meta
  from tfaip.model.modelbaseparams import ModelBaseParams
  from calamari_ocr.ocr.model.layers.layer import LayerParams, IntVec2D
label_desc: Use image node_id 1 for calling the ModelParams obj's underlying member method code with example usage: obj.cls() and returns: Model