Improved error handling for invalid tickers in tools.py

tools.py

@@ -10,7 +10,13 @@ def get_price(ticker):
         stock = yf.Ticker(ticker)
         
         # Get the stock info
-        info = stock.info
+        try:
+            info = stock.info
+        except Exception as e:
+            if "404" in str(e):
+                return f"'{ticker}' is not a valid stock ticker. Please check the symbol and try again."
+            return f"Error fetching data for {ticker}: {str(e)}"
+            
         if 'regularMarketPrice' not in info or info['regularMarketPrice'] is None:
             return f"Could not get the current price for {ticker}. Please verify the ticker symbol."
             
@@ -41,8 +47,13 @@ def buying_power_tool(query):
             
         # Get stock price
         stock = yf.Ticker(ticker)
-        info = stock.info
-        
+        try:
+            info = stock.info
+        except Exception as e:
+            if "404" in str(e):
+                return f"'{ticker}' is not a valid stock ticker. Please check the symbol and try again."
+            return f"Error fetching data for {ticker}: {str(e)}"
+            
         if 'regularMarketPrice' not in info or info['regularMarketPrice'] is None:
             return f"Could not get the current price for {ticker}. Please verify the ticker symbol."