class_docstr: A subclass of our Unpickler to unpickle on the fly from
  compressed storage.
class_docstr_tok: ["A","subclass","of","our","Unpickler","to","unpickle","on","the","fly","from","compressed","storage","."]
code: def __init__(self, filename, file_handle):
      NumpyUnpickler.__init__(
          self, filename, file_handle, mmap_mode=None
      )
  
imports: import traceback
  import os
  import zlib
  import warnings
  import dill
  import pickle
  from io import BytesIO
label_desc: Use image node_id 1 to create a new ZipNumpyUnpickler object from inherited base classes: NumpyUnpickler with example: obj = ZipNumpyUnpickler(filename, file_handle)