Update src/agent.py

src/agent.py

@@ -16,7 +16,7 @@ from typing import Any, AsyncGenerator
 import asyncio
 import requests
 from langchain.agents import create_openai_tools_agent, AgentExecutor
-from langchain.memory import ConversationSummaryBufferMemory
+from langchain.memory import ConversationBufferWindowMemory
 from langchain.prompts import ChatPromptTemplate, MessagesPlaceholder
 from langchain.schema import OutputParserException
 from langchain.callbacks.base import BaseCallbackHandler