code: def __init__(
      self,
      address: str,
      channel_handler: Callable[[Channel], Coroutine] = None,
  ):
      super().__init__(address, channel_handler)
      self._closed = asyncio.Event()
      self._channels = []
      self._tasks = []
  
imports: import asyncio
  import concurrent.futures
  import weakref
  from typing import Any, Callable, Coroutine, Dict, Type
  from urllib.parse import urlparse
  from ....utils import implements, classproperty, abc_type_require_weakref_slot
  from ...errors import ServerClosed
  from .base import Channel, ChannelType, Server, Client
  from .core import register_client, register_server
  from .errors import ChannelClosed
label_desc: Use image node_id 1 to create a new DummyServer object from inherited base classes: Server with example: obj = DummyServer(address, channel_handler)