code: def __getitem__(self, idx):
      return self.data[idx], 0
  
imports: import os
  import unittest
  import uuid
  import faiss
  import torch
  import torchvision
  from torchvision import datasets, transforms
  from pytorch_metric_learning.utils.inference import InferenceModel
  from ..None import TEST_DEVICE
label_desc: Use image node_id 3 for calling the TextDataset obj's underlying member method code with example usage: obj.__getitem__(idx) and returns: self,  int