docstr: Check server status 
docstr_tok: ["Check","server","status"]
code: def alive(self):
      """Check server status"""
      value = not self.terminate_event.is_set()
      return value
  
imports: import errno
  import http.server
  import importlib.util
  import json
  import os
  import random
  import re
  import socket
  import socketserver
  import sys
  import threading
  import time
  import webbrowser
  import urllib.parse
label_desc: Use image node_id 4 for calling the _HTTPServerThread obj's underlying member method code with example usage: obj.alive() and returns: value