code: def predict_file(
      self, input_files: t.List[FileLike[bytes]]
  ) -> t.List[bytes]:
      return [f.read() for f in input_files]
  
file_path: BentoML/tests/e2e/bento_server_http/pickle_model.py
imports: from __future__ import annotations
  import time
  import typing
  from typing import TYPE_CHECKING
  import numpy
  import pandas
label_desc: Use image node_id 1 for calling the PickleModel obj's underlying member method code with example usage: obj.predict_file(input_files) and returns: unknown