code: def __init__(self, fs):
      self.fs = fs
  
imports: import datetime
  import json
  import os
  from io import BufferedReader, FileIO
  from pathlib import Path
  from typing import Tuple
  from hashfs import HashFS
  from tinydb import TinyDB
  from tinydb_serialization import Serializer, SerializationMiddleware
  import sacred.optional
label_desc: Use image node_id 1 to create a new FileSerializer object from inherited base classes: Serializer with example: obj = FileSerializer(fs)