code: def __init__(self, addr, handler, verbose):
      super(KVStoreHTTPServer, self).__init__(addr, handler)
  
      # Cache that provides the store
      self.cache_lock = threading.Lock()
      self.cache = {}
  
      self.verbose = verbose
  
imports: import collections
  import logging
  import socket
  import socketserver
  import threading
  from http.server import HTTPServer, SimpleHTTPRequestHandler
  from horovod.runner.util.network import find_port
  from horovod.runner.util.threads import in_thread
label_desc: Use image node_id 1 to create a new KVStoreHTTPServer object from inherited base classes: HTTPServer, object with example: obj = KVStoreHTTPServer(addr, handler, verbose)