Update app.py

app.py

@@ -26,10 +26,8 @@ class BasicAgent:
     def __call__(self, question: str) -> str:
         print(f"Agent received question (first 50 chars): {question[:50]}...")
         # Wrap the question in a HumanMessage from langchain_core
-        messages = [HumanMessage(content=question)]
-        messages = self.graph.invoke({"messages": messages})
-        answer = messages['messages'][-1].content
-        return answer[14:]
+        result = self.graph.invoke({"messages": [HumanMessage(content=question)]})
+        return result["output"]
 
 
 def run_and_submit_all( profile: gr.OAuthProfile | None):