code: def __init__(self, file, connection):
      super().__init__(file)
      self.connection = connection
  
file_path: cpython/Doc/includes/dbpickle.py
imports: import pickle
  import sqlite3
  from collections import namedtuple
label_desc: Use image node_id 1 to create a new DBUnpickler object from inherited base classes: pickle with example: obj = DBUnpickler(file, connection)