Update agent.py

agent.py

@@ -3,7 +3,7 @@
 import os
 import asyncio
 from llama_index.llms.openai import OpenAI
-from llama_index.core.agent.workflow import FunctionAgent
+from llama_index.core.agent import FunctionCallingAgent
 from llama_index.core.tools import FunctionTool
 
 from langchain_community.utilities.wikipedia import WikipediaAPIWrapper
@@ -87,11 +87,9 @@ TOOLS = [
 # Create agent with FunctionAgent (compatible with run)
 llm = OpenAI(model="gpt-4")
 
-agent = FunctionAgent(
-    max_iterations=5,
+agent = FunctionCallingAgent.from_tools(
     tools=TOOLS,
     llm=llm,
-    verbose=True,
     system_prompt="""
 You are a highly capable AI agent taking the GAIA benchmark test.