Update app.py

app.py

@@ -6,6 +6,7 @@ import inspect
 import pandas as pd
 from tools import *
 from typing import TypedDict, Annotated
+from transformers import AutoModelForCausalLM, AutoTokenizer
 from langgraph.graph import START, StateGraph, MessagesState
 from langgraph.graph.message import add_messages
 from langgraph.prebuilt import ToolNode, tools_condition