even more async

app.py

@@ -26,7 +26,7 @@ class BasicAgent:
         llm = Groq(model="qwen-qwq-32b", api_key=api_key)
         self.agent = ReActAgent(tools=[search_tool], llm=llm)
         print("BasicAgent initialized.")
-    def __call__(self, question: str) -> str:
+    async def __call__(self, question: str) -> str:
         print(f"Agent received question (first 50 chars): {question[:50]}...")
         fixed_answer = await self.agent.run(question)
         print(f"Agent returning fixed answer: {fixed_answer}")