Second try - fixed some minor bugs

app.py

@@ -16,13 +16,13 @@ DEFAULT_API_URL = "https://agents-course-unit4-scoring.hf.space"
 # ----- THIS IS WERE YOU CAN BUILD WHAT YOU WANT ------
 class BasicAgent:
     def __init__(self):
-        llm = HuggingFaceInferenceAPI(model_name="Qwen/Qwen2.5-Coder-32B-Instruct")
-        search_tool = DuckDuckGoSearchToolSpec()
+        self.llm = HuggingFaceInferenceAPI(model_name="Qwen/Qwen2.5-Coder-32B-Instruct")
+        self.search_tool = DuckDuckGoSearchToolSpec()
+        self.agent = AgentWorkflow.from_tools_or_functions([self.search_tool], llm=self.llm)
         print("BasicAgent initialized.")
         
     def __call__(self, question: str) -> str:
-        agent = AgentWorkflow.from_tools_or_functions([search_tool], llm=llm)
-        response = await agent.run(question)
+        response = await self.agent.run(question)
         return response
 
 def run_and_submit_all( profile: gr.OAuthProfile | None):