Update app.py

app.py

@@ -42,6 +42,9 @@ def market_sentiment_story(index:str)-> str: #it's import to specify the return
             f"which is a change of {percent:.2f}% from the previous close. "
             f"Write a short, realistic story that explains why it moved in this direction."
         )
+    except Exception as e:
+        return f"Error: {str(e)}"
+
 
 @tool
 def get_current_time_in_timezone(timezone: str) -> str: