Update app.py

app.py

@@ -425,7 +425,7 @@ async def handle_chat(chat_request: ChatRequest, token: str = Cookie(None)):
         History[i].append({"role": "assistant", "content": chat_request.prompt})
         return {"text": stream.choices[0].message.content,
                "time": int(stream.timings["prompt_ms"] + stream.timings["predicted_ms"]) - 3,
-               "t_per_sec": stream.timings.["predicted_per_second"] +0.5}
+               "t_per_sec": stream.timings["predicted_per_second"] +0.5}
     else: return 'Please stop. Just refresh the page.'
 
 @app.post("/history")