Upload app.py

app.py

@@ -21,7 +21,7 @@ class BasicAgent:
     def __call__(self, question: str) -> str:
         print(f"Agent received question (first 50 chars): {question[:50]}...")
         messages = [HumanMessage(content=question)]
-        messages = self.graph.invoke({"messages": messages})
+        messages = self.workflow.invoke({"messages": messages})
         answer = messages["messages"][-1].content
         return answer[14:]
         # fixed_answer = "This is a default answer."