Update app.py

app.py

@@ -21,15 +21,15 @@ DEFAULT_API_URL = "https://agents-course-unit4-scoring.hf.space"
 class BasicAgent:
     def __init__(self):
         self.agent = alfred
-    async def __call__(self, question: str) -> str:
-        state_dict = await alfred.ainvoke({"messages": [HumanMessage(content = question)]})
+    def __call__(self, question: str) -> str:
+        state_dict = alfred.invoke({"messages": [HumanMessage(content = question)]})
         response = state_dict["messages"][-1]
         try:
             return response.content
         except:
             return "Sorry, I can't answer to this question."
 
-async def run_and_submit_all( profile: gr.OAuthProfile | None):
+def run_and_submit_all( profile: gr.OAuthProfile | None):
     """
     Fetches all questions, runs the BasicAgent on them, submits all answers,
     and displays the results.