code: def download_imdb(dest_dir):
      """Download pre-processed IMDB movie review data
  
      :argument
          dest_dir: destination directory to store the data
  
      :return
          The absolute path of the stored data
      """
      file_name = "imdb_full.pkl"
      file_abs_path = base.maybe_download(
          file_name,
          dest_dir,
          "https://s3.amazonaws.com/text-datasets/imdb_full.pkl",
      )
      return file_abs_path
  
imports: from bigdl.dataset import base
  import numpy
  from six.moves import cPickle
label_desc: Use image node_id 1 for calling a global function with example usage: download_imdb(dest_dir) and returns: file_abs_path