Update apis/chat_api.py

apis/chat_api.py

@@ -11,7 +11,7 @@ from fastapi import FastAPI, Depends, HTTPException
 from fastapi.responses import HTMLResponse
 from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials
 from pydantic import BaseModel, Field
-from typing import Union, List, Dict
+from typing import Union, List, Dict, Any
 from sse_starlette.sse import EventSourceResponse, ServerSentEvent
 from utils.logger import logger
 from networks.message_streamer import MessageStreamer