class_docstr: StorageHandler that uses SQLite as backend. 
code: def _get(self, serialized_key):
      cur = self.connection.cursor()
      results = list(
          cur.execute(
              f"""select value from store where key='{serialized_key}'"""
          )
      )
      if results:
          return results[0][
              0
          ]  # should always be a single match, hence the [0]s
      else:
          return None
  
imports: import os
  import dill
  import pickle
  from typing import Dict
  from hashlib import md5
  import redis
  import sqlite3
label_desc: Use image node_id 3 for calling the SqliteStorageHandler obj's underlying member method code with example usage: obj._get(serialized_key) and returns: results, None