figure why didnt trigger agent

app.py

@@ -22,10 +22,11 @@ class BasicAgent:
     def __call__(self, question: str) -> str:
         print(f"Agent received question (first 50 chars): {question[:50]}...")
         messages = [HumanMessage(content=question)]
-        print(f"Message = {messages}")
-        messages = self.graph.invoke({"messages": messages})
+        #messages = self.graph.invoke({"messages": messages})
         
-        #messages = self.graph.invoke({"messages": messages},config={"callbacks": [langfuse_handler]})
+        formattedMessage = [{"role":"user","content":msg.content} for msg in messages]
+        print(f"Message = {messages}")
+        messages = self.graph.invoke({"messages": formattedMessage},config={"callbacks": [langfuse_handler]})
         self.graph.get_graph().draw_mermaid_png()
         answer = messages['messages'][-1].content
         print(f"full answer : {answer}")