Update app.py

app.py

@@ -632,7 +632,7 @@ Answer with just "YES" if web search would be helpful, or "NO" if the available
         """
         try:
             # Perform search
-            search_results = self.search_tool.forward(query_text)
+            search_results = self.search_tool.forward(question)
             
             # Combine all contexts
             full_context = f"""Question: {question} Search Results: {search_results} {attachment_context}{url_context}"""