Update app.py

app.py

@@ -42,7 +42,7 @@ def do_search_usint_search_term(query: str) -> str:
     try:
         
         search_tool = DuckDuckGoSearchTool()
-        return search_tool(query)
+        return str(search_tool(query))
     except Exception as e:
         return f"Error fetching results '{query}': {str(e)}"