code: def seek(self, frame):
      if self.istack == 0:
          raise EOFError("attempt to seek in a non-stack file")
      if not self._seek_check(frame):
          return
      self.stkoffset = self.hdrlen + frame * (
          self.hdrlen + self.imgbytes
      )
      self.fp = self.__fp
      self.fp.seek(self.stkoffset)
      self._open()
  
imports: from __future__ import print_function
  import os
  import struct
  import sys
  from PIL import Image, ImageFile
label_desc: Use image node_id 5 for calling the SpiderImageFile obj's underlying member method code with example usage: obj.seek(frame) without return types