Update app.py

app.py

@@ -4,9 +4,8 @@ from fastapi import FastAPI, HTTPException, Depends, Header, Request
 from fastapi.responses import StreamingResponse
 from pydantic import BaseModel
 from typing import List
-from __future__ import annotations
-from g4f.typing import Messages, AsyncResult
 from g4f import ChatCompletion
+from g4f.typing import Messages, AsyncResult
 from g4f.Provider import BackendApi
 
 app = FastAPI()