Update app.py

app.py

@@ -21,6 +21,8 @@ def wikipedia_url(query: str) -> str:
         if not q:
             return "Please provide a non-empty query."
         return "https://en.wikipedia.org/wiki/Special:Search?search=" + urllib.parse.quote(q)
+    except Exception as e:
+        return f"Error fetching URL for query '{q}': {str(e)}"
 
 
 @tool