fix

app.py

@@ -55,9 +55,13 @@ class LangChainAgent:
             "input": question,
             "chat_history": []
         })
-        answer = result.get("output", "No answer returned.")
-        print(f"Agent response: {answer}")
-        return answer
+        output = result.get("output", "No answer returned.")
+        print(f"Agent response: {output}")
+        match = re.search(r"FINAL ANSWER:\s*(.*)", response['output'])
+        if match:
+            return match.group(1).strip()
+        else:
+            return output
 
 def run_and_submit_all( profile: gr.OAuthProfile | None):
     """