class_docstr: USPS Dataset
  homepage="https://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/multiclass.html#usps",
class_docstr_tok: ["USPS","Dataset","homepage=","''","https",":","\/\/www.csie.ntu.edu.tw\/~cjlin\/libsvmtools\/datasets\/multiclass.html","#","usps","''",","]
code: def __len__(self) -> int:
      return 7_291 if self._split == "train" else 2_007
  
file_path: vision/torchvision/prototype/datasets/_builtin/usps.py
imports: import pathlib
  from typing import Any, Dict, List, Union
  import torch
  from torchdata.datapipes.iter import Decompressor, IterDataPipe, LineReader, Mapper
  from torchvision.prototype.datasets.utils import Dataset, HttpResource, OnlineResource
  from torchvision.prototype.datasets.utils._internal import hint_sharding, hint_shuffling
  from torchvision.prototype.tv_tensors import Label
  from torchvision.tv_tensors import Image
  from .._api import register_dataset, register_info
label_desc: Use image node_id 5 for calling the USPS obj's underlying member method code with example usage: obj.__len__() and returns: unknown