Update app.py

app.py

@@ -17,7 +17,7 @@ class BasicAgent:
     def __call__(self, question: str, file_path: str) -> str:
         print(f"Agent received question (first 50 chars): {question[:50]}...")
         state = assistant_agent.invoke({"question": question, "file_path": file_path})
-        answer = state["messages"][-1]["content"]
+        answer = state["messages"][-1].content
         answer = answer.split("FINAL ANSWER:")[-1].strip()
         print(f"Agent returning answer: {answer}")
         return answer