Update app.py

app.py

@@ -98,7 +98,7 @@ async def voice_chat(request: Request):
         wav_io.seek(0)
 
         with open("temp_audio.wav", "wb") as f:
-        f.write(wav_io.read())
+            f.write(wav_io.read())
 
         # Whisper nhận dạng
         result = whisper_model.transcribe("temp_audio.wav", language="vi")