Update app.py

updated check_reasoning

app.py

@@ -14,7 +14,7 @@ DEFAULT_API_URL = "https://agents-course-unit4-scoring.hf.space"
 class BasicAgent:
     agent = None
     web_agent = None
-    def check_reasoning(final_answer,agent_memory):
+    def check_reasoning(self,final_answer,agent_memory):
         model = OpenAIServerModel("gpt-4o", max_tokens=8096)
         prompt = (
             f"Here is a user-given task and the agent steps: {agent_memory.get_succinct_steps()}."