code: def get_client(self, client_id: str) -> Optional[SockClient]:
      with self._lock:
          client = self._client_dict.get(client_id)
      return client
  
imports: import queue
  import socket
  import threading
  import time
  from typing import TYPE_CHECKING, Any, Callable, Dict, Optional
  from wandb.proto import wandb_server_pb2
  from wandb.sdk.internal.settings_static import SettingsStatic
  from ..lib import tracelog
  from ..lib.sock_client import SockClient, SockClientClosedError
  from .streams import StreamMux
label_desc: Use image node_id 2 for calling the ClientDict obj's underlying member method code with example usage: obj.get_client(client_id) and returns: client