class_docstr: Extract image feature using pretrained CNN network.
class_docstr_tok: ["Extract","image","feature","using","pretrained","CNN","network","."]
code: def _breakup_zip_filename(self, path):
      # assume format path/to/file.zip/image_name.jpg
      assert ".zip" in path
      sep = path.index(".zip") + 4
      zipname = path[:sep]
      file_name = path[sep + 1 :]
      return zipname, file_name
  
imports: import parlai.core.build_data
  import parlai.utils.logging
  from parlai.utils.io import PathManager
  import os
  from PIL import Image
  import torch
  from zipfile import ZipFile
label_desc: Use image node_id 10 for calling the ImageLoader obj's underlying member method code with example usage: obj._breakup_zip_filename(path) and returns: zipname,  file_name