Update app.py

app.py

@@ -53,20 +53,38 @@ def get_current_stock_price(ticker_symbol: str) -> Optional[Dict[str, Any]]:
         ticker_symbol: The stock ticker symbol to fetch the price for.
 
     Returns:
-        A dictionary with:
+        A dict with:
             - "price"                : current closing price (float)
             - "price_change"         : absolute change over 5 days (float)
             - "price_change_percent" : percent change over 5 days (float)
-        If there's an error, returns a dict with an "error" key.
+        If there's an error, returns a dict containing an "error" key.
     """
+    url = f"https://query1.finance.yahoo.com/v8/finance/chart/{ticker_symbol}"
+    params = {
+        "range": "5d",
+        "interval": "1d",
+    }
+    # Send a common browser user-agent to reduce 429 rate‐limit responses
+    headers = {
+        "User-Agent": (
+            "Mozilla/5.0 (Windows NT 10.0; Win64; x64) "
+            "AppleWebKit/537.36 (KHTML, like Gecko) "
+            "Chrome/115.0.0.0 Safari/537.36"
+        )
+    }
+
     try:
-        url = f"https://query1.finance.yahoo.com/v8/finance/chart/{ticker_symbol}"
-        params = {
-            "range": "5d",
-            "interval": "1d",
-        }
+        resp = requests.get(url, params=params, headers=headers, timeout=10)
+        
+        # If rate‐limited, return a clear error
+        if resp.status_code == 429:
+            return {
+                "error": (
+                    f"Rate limited by Yahoo Finance (HTTP 429). "
+                    "Please wait a minute and try again."
+                )
+            }
 
-        resp = requests.get(url, params=params, timeout=10)
         resp.raise_for_status()
         data = resp.json()
 
@@ -110,7 +128,6 @@ def get_current_stock_price(ticker_symbol: str) -> Optional[Dict[str, Any]]:
         logger.error(f"Unexpected error fetching price for {ticker_symbol}: {e}")
         return None
 
-
 # Finally, SmolAgent’s final answer tool reference:
 final_answer = FinalAnswerTool()