updated app.py

app.py

@@ -14,9 +14,7 @@ from Gradio_UI import GradioUI
 def fetch_historical_price_data(symbol: str, start_date: str) -> list[dict]:
     """
     Fetch daily historical stock price data for a given stock symbol from the start_date. Use
-    toda=datetime.now() to confirm the start_Date is valid prior to calling the API. You only need to make sure 
-    the start_date is not greater than today's date. If it is equal to today's date you can send today's date as the API 
-    will output the stock price information for the day.
+    the date validation logic in the tool to validate the date.
 
     Args:
         symbol: Stock market symbol such as 'AAPL', 'MSFT', 'NVDA'
@@ -27,7 +25,7 @@ def fetch_historical_price_data(symbol: str, start_date: str) -> list[dict]:
     if not FMP_KEY:
         return [{"error": "Missing FMP_KEY environment variable"}]
 
-    # inside your tool
+    # date validation
     today_dt = datetime.now().date()
     try:
         start_dt = datetime.strptime(start_date, "%Y-%m-%d").date()