code: def decode(self, s):
      return opt.pandas.read_json(s, typ="series")
  
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 2 for calling the SeriesSerializer obj's underlying member method code with example usage: obj.decode(s) and returns: opt