code: def __getitem__(self, index):
      img = self.image_list[index]
      return Image.fromarray(img, "L")
  
imports: from PIL import Image
  import torch
  import torch.backends.cudnn
  import torch.utils.data
  import torch.nn.functional
  import torchvision.transforms
  import numpy
  from collections import OrderedDict
  import importlib
  from .utils import CTCLabelConverter
  import math
label_desc: Use image node_id 3 for calling the ListDataset obj's underlying member method code with example usage: obj.__getitem__(index) and returns: Image