code: def fileobj(self):
      if self.size is not None:
          return to_fileobj(self.data)
  
imports: import os
  import sys
  import zlib
  import json
  from uuid import uuid4
  from hashlib import sha1
  from collections import namedtuple
  from metaflow.plugins.datatools.s3 import S3PutObject
  from metaflow.util import to_fileobj, to_bytes, url_quote
  import numpy
  from ..None import s3client, S3ROOT
label_desc: Use image node_id 5 for calling the RandomFile obj's underlying member method code with example usage: obj.fileobj() and returns: to_fileobj