Update app.py

fixed issue with ""

app.py

@@ -35,7 +35,7 @@ def SearchWebTool(query:str)-> list: #it's import to specify the return type
     for r in results:
         formatted_Results.append({
             "title": r.get("title", ""),
-            "url": r.get("link, ""),
+            "url": r.get("link", ""),
             "snippet":r.get("snippet", "")
         })
     return formatted_results