code: def evaluate_single_args(args):
      return Evaluator.evaluate_single(**args)
  
file_path: calamari/calamari_ocr/ocr/evaluator.py
imports: from dataclasses import dataclass, field
  from typing import Dict, TYPE_CHECKING
  import logging
  from edit_distance import edit_distance
  from collections import namedtuple
  from paiargparse import pai_dataclass, pai_meta
  from tfaip.data.databaseparams import DataPipelineParams
  from tfaip.data.pipeline.definitions import PipelineMode
  from tfaip.util.multiprocessing.parallelmap import parallel_map, tqdm_wrapper
  from calamari_ocr.ocr.dataset.datareader.base import CalamariDataGeneratorParams
  from calamari_ocr.ocr.dataset.textprocessors import synchronize
label_desc: Use image node_id 4 for calling the Evaluator obj's underlying member method code with example usage: obj.evaluate_single_args(args) and returns: Evaluator