code: def _get_checksum(name, part=None):
      """Retrieve the checksum of the model/dataset from gensim-data repository.
  
      Parameters
      ----------
      name : str
          Dataset/model name.
      part : int, optional
          Number of part (for multipart data only).
  
      Returns
      -------
      str
          Retrieved checksum of dataset/model.
  
      """
      information = info()
      corpora = information["corpora"]
      models = information["models"]
      if part is None:
          if name in corpora:
              return information["corpora"][name]["checksum"]
          elif name in models:
              return information["models"][name]["checksum"]
      else:
          if name in corpora:
              return information["corpora"][name][
                  "checksum-{}".format(part)
              ]
          elif name in models:
              return information["models"][name][
                  "checksum-{}".format(part)
              ]
  
imports: from __future__ import absolute_import
  import argparse
  import os
  import io
  import json
  import logging
  import sys
  import errno
  import hashlib
  import math
  import shutil
  import tempfile
  from functools import partial
label_desc: Use image node_id 6 for calling a global function with example usage: _get_checksum(name, part) and returns: information, information, information, information