Update app.py

app.py

@@ -87,7 +87,7 @@ import io
 import numpy as np 
 import scipy.io.wavfile as wav 
 from fastapi import FastAPI, Request
-from fastapi.responses import JSONResponse app = FastAPI()
+from fastapi.responses import JSONResponse 
 @app.post("/voice_chat") async def voice_chat(request: Request): 
     # Đọc dữ liệu âm thanh thô từ ESP32 gửi lên
     raw_audio = await request.body()