add GPU decorator

app.py

@@ -3,6 +3,7 @@ from dotenv import load_dotenv
 import gradio as gr
 from sqlalchemy import text
 from smolagents import tool, CodeAgent, HfApiModel
+import spaces
 
 # Import the database setup from database.py
 from database import engine, receipts
@@ -12,6 +13,7 @@ load_dotenv(override=True)
 hf_token = os.getenv("HF_TOKEN")
 
 # SQL Execution function
+@spaces.GPU
 @tool
 def sql_engine(query: str) -> str:
     """