diff --git a/packages/jupyter-ai/jupyter_ai/chat_handlers/tools.py b/packages/jupyter-ai/jupyter_ai/chat_handlers/tools.py
index 93241a17d..d0a420dde 100644
--- a/packages/jupyter-ai/jupyter_ai/chat_handlers/tools.py
+++ b/packages/jupyter-ai/jupyter_ai/chat_handlers/tools.py
@@ -3,13 +3,12 @@
 import os
 from pathlib import Path
 from typing import Dict, Literal, Type
-import numpy as np
 
+import numpy as np
 from jupyter_ai.models import HumanChatMessage
 from jupyter_ai_magics.providers import BaseProvider
 from langchain.chains import ConversationalRetrievalChain, LLMChain
 from langchain.memory import ConversationBufferWindowMemory
-
 from langchain_core.messages import AIMessage
 from langchain_core.prompts import PromptTemplate
 from langchain_core.tools import tool
@@ -18,7 +17,6 @@
 
 from .base import BaseChatHandler, SlashCommandRoutingType
 
-
 PROMPT_TEMPLATE = """Given the following conversation and a follow up question, rephrase the follow up question to be a standalone question.
 
 Chat History: