code: def __getstate__(self):
      if isinstance(self.file, BytesIO):
          # BytesIO is already pickleable, return the state unmodified
          return self.__dict__
  
      # remove unpickleable file attribute, and only store its name and pos
      state = self.__dict__.copy()
      del state["file"]
      state["_filename"] = self.file.name
      state["_filepos"] = self.file.tell()
      return state
  
imports: from io import BytesIO
  from types import SimpleNamespace
  from fontTools.misc.textTools import Tag
  from fontTools.misc import sstruct
  from fontTools.ttLib import TTLibError, TTLibFileIsCollectionError
  import struct
  from collections import OrderedDict
  import logging
label_desc: Use image node_id 8 for calling the SFNTReader obj's underlying member method code with example usage: obj.__getstate__() and returns: state, self