code: def __init__(self):
      self.buf = []
  
imports: import os
  import signal
  import socket
  import sys
  import time
  import threading
  import unittest
  from unittest import mock
  import _overlapped
  import _winapi
  import asyncio
  from asyncio import windows_events
  from test.test_asyncio import utils
label_desc: Use image node_id 1 to create a new UpperProto object from inherited base classes: asyncio with example: obj = UpperProto()