code: def imdb():
      url = "https://catboost-opensource.s3.yandex.net/imdb.tar.gz"
      md5 = "0fd62578d631ac3d71a71c3e6ced6f8b"
      dataset_name, train_file, test_file = (
          "imdb",
          "learn.tsv",
          "test.tsv",
      )
      return _load_dataset_pd(
          url, md5, dataset_name, train_file, test_file, sep="\t"
      )
  
imports: import hashlib
  import logging
  import numpy
  import os
  import pandas
  import tarfile
  import tempfile
  import six
  import shutil
  from .core import PATH_TYPES, fspath
label_desc: Use image node_id 15 for calling a global function with example usage: imdb() and returns: _load_dataset_pd