Update agent.py

agent.py

@@ -1,4 +1,4 @@
-# agent.py — GAIA-ready with FunctionCallingAgent and improved tools
+# agent.py — GAIA-ready async agent with FunctionCallingAgent and tool_call fix
 
 import os
 import asyncio
@@ -110,15 +110,11 @@ Rules:
 """
 )
 
-def answer_question_sync(question: str) -> str:
+# Async-only interface to avoid tool_call sync error
+async def answer_question(question: str) -> str:
     try:
-        resp = agent.chat(question)
-        if hasattr(resp, "response") and hasattr(resp.response, "content"):
-            return resp.response.content.strip()
-        return str(resp).strip()
+        resp = await agent.achat(question)
+        return resp.response.content.strip() if hasattr(resp, "response") else str(resp).strip()
     except Exception as e:
         print("❌ Agent exception:", e)
-        return "[ERROR] " + str(e)
-
-async def answer_question(question: str) -> str:
-    return answer_question_sync(question)
+        return "[ERROR] " + str(e)