Update app.py

app.py

@@ -33,9 +33,9 @@ class BasicAgent:
         print("BasicAgent initialized.")
     def __call__(self, question: str) -> str:
         print(f"Agent received question (first 50 chars): {question[:50]}...")
-        input_state = {"question": question}
-        # Run the graph
-        answer = self.graph.invoke(input_state)
+        messages = [HumanMessage(content=question)]
+        messages = self.graph.invoke({"messages": messages})
+        answer = messages['messages'][-1].content
         print(f"Agent returning fixed answer: {answer}")
         return answer