code: def augment_single(self, data, gt_txt):
      pass
  
imports: from abc import ABC, abstractmethod
  from dataclasses import dataclass
  from typing import Type, TypeVar, Generic
  import numpy
  from paiargparse import pai_dataclass
  from tfaip.util.multiprocessing.parallelmap import parallel_map
  from calamari_ocr.utils.image import load_image
label_desc: Use image node_id 2 for calling the DataAugmenterBase obj's underlying member method code with example usage: obj.augment_single(data, gt_txt) without return types