code: def sendall(self, response):
      pass
  
file_path: altair/altair/utils/server.py
imports: import sys
  import threading
  import webbrowser
  import socket
  from http import server
  from io import BytesIO
  import itertools
  import random
label_desc: Use image node_id 2 for calling the MockRequest obj's underlying member method code with example usage: obj.sendall(response) without return types