Update app.py

app.py

@@ -52,7 +52,7 @@ def web_search(query: str, max_results: int = 5) -> list:
     """Simple DuckDuckGo web search via DDGS"""
     try:
         with DDGS() as ddgs:
-            return ddgs.text(query, max_results=max_results)
+            return ddgs.text(query, max_results=max_results, backend="lite")
     except Exception as e:
         return [{"title": "Search failed", "href": "", "body": str(e)}]