debug req agent

agent.py

@@ -22,9 +22,6 @@ from datetime import datetime
 from llama_index.core.chat_engine.types import ChatMessage
 from llama_index.core import Settings
 from llama_index.core.callbacks import CallbackManager
-from llama_index.utils.workflow import (
-    draw_most_recent_execution,
-)
 llm_gpt4o_mini = OpenAI(
         model="gpt-4o-mini",
         api_key=os.getenv("OPENAI_API_KEY"),