Update app.py

app.py

@@ -49,7 +49,7 @@ model = HuggingFaceEndpoint(
 class BasicAgent:
     def __init__(self):
         self.agent = create_react_agent(model, tools, prompt)
-        self.agent_executor = AgentExecutor(agent = agent, tools = tools)
+        self.agent_executor = AgentExecutor(agent = self.agent, tools = tools)
     def __call__(self, question: str) -> str:
         response = self.agent_executor.invoke(
             {