Update app.py

app.py

@@ -29,9 +29,13 @@ def search_answer(question: str) -> str:
     Returns:
         str: A summarized text extracted from DuckDuckGo search results.
     """
-    search_tool = DuckDuckgoSearchTool()
-    results = search_tool(question)
-    return results
+    try:
+        search_tool = DuckDuckgoSearchTool()
+        results = search_tool(question)
+        return results or "No relevant results were found."
+    except Exception as e:
+        logger.error(f"DuckDuckGo search failed: {e}")
+        return "Sorry, I couldn't complete the search due to an internal error."
 
 @tool
 def get_current_time_in_timezone(timezone: str) -> str: