code: def _parse_coords(coords: str) -> List[Tuple[int, int]]:
      points = []
  
      for coord in coords.split():
          x, y = coord.split(sep=",", maxsplit=2)
          points.append((int(x), int(y)))
  
      return points
  
imports: import os
  from copy import deepcopy
  from dataclasses import dataclass, field
  from random import shuffle
  import math
  import numpy
  from paiargparse import pai_dataclass, pai_meta
  from tfaip.data.pipeline.definitions import PipelineMode, INPUT_PROCESSOR, TARGETS_PROCESSOR
  from tqdm import tqdm
  from lxml import etree
  import cv2
  from typing import List, Generator, Optional, Iterable, Dict, Any, Tuple
  from enum import IntEnum
  from calamari_ocr.ocr.dataset.datareader.base import CalamariDataGenerator, CalamariDataGeneratorParams, InputSample, SampleMeta
  from calamari_ocr.utils import split_all_ext, filename, glob_all
  from calamari_ocr.ocr.predict.params import Prediction
  import logging
label_desc: Use image node_id 7 for calling the PageXMLReader obj's underlying member method code with example usage: obj._parse_coords(coords) and returns: points