Update app.py

app.py

@@ -10,13 +10,11 @@ from Gradio_UI import GradioUI
 
 # Below is an example of a tool that does nothing. Amaze us with your creativity !
 @tool
-def get_stock_signal(symbol: str, interval: str):
+def get_stock_signal(symbol: str, interval: str) -> str:
     """Retrieves intraday stock data for the given symbol using the Alpha Vantage API, computes exponential moving averages (EMA), and generates a trading signal based on an EMA crossover strategy.
     Args:
         symbol: A string representing the stock symbol to analyze (e.g., "AAPL", "GOOG", "MSFT", "TSLA").
         interval: A string representing the time interval between data points (e.g., "1min", "5min", "15min", "60min").
-    Returns:
-        str: A complete sentence summarizing the latest closing price and the recommended trading decision (Buy, Sell, or Hold).
     """
     API_KEY = 'RG9XKRIYBL2EV3V3'