Update app.py

app.py

@@ -45,7 +45,7 @@ DEFAULT_API_URL = "https://agents-course-unit4-scoring.hf.space"
 class BasicAgent:
     def __init__(self):
         model = InferenceClientModel(model_id=model_id, provider="nebius", token=token)
-        agent = CodeAgent(
+        self.agent = CodeAgent(
             tools=[
                 VisitWebpageTool(),
                 WebSearchTool(),
@@ -81,7 +81,7 @@ class BasicAgent:
     def __call__(self, question: str) -> str:
         print(f"Agent received question (first 50 chars): {question[:50]}...")
 
-        answer = agent.run(
+        answer = self.agent.run(
             f"""You are a general AI assistant.You can use the provided tools and websearch for finding answers. I will ask you a question. Report your thoughts, and finish your answer. YOUR FINAL ANSWER should be a number OR as few words as possible OR a comma separated list of numbers and/or strings. If you are asked for a number, don't use comma to write your number neither use units such as $ or percent sign unless specified otherwise. If you are asked for a string, don't use articles, neither abbreviations (e.g. for cities), and write the digits in plain text unless specified otherwise. If you are asked for a comma separated list, apply the above rules depending of whether the element to be put in the list is a number or a string.
             {question}""",
         )