class_docstr: This will be superseded by a framework-agnostic approach soon.
code: def __getitem__(self, i) -> torch.Tensor:
      return torch.tensor(self.examples[i], dtype=torch.long)
  
imports: import json
  import os
  import pickle
  import random
  import time
  import warnings
  from typing import Dict, List, Optional
  import torch
  from torch.utils.data import Dataset
  from filelock import FileLock
  from ...tokenization_utils import PreTrainedTokenizer
  from ...utils import logging
label_desc: Use image node_id 3 for calling the TextDataset obj's underlying member method code with example usage: obj.__getitem__(i) and returns: torch