Update app.py

app.py

@@ -3,7 +3,7 @@ import gradio as gr
 import requests
 import inspect
 import pandas as pd
-from langgraph.prebuilt import ToolNode, create_react_agent
+from langgraph.prebuilt import ToolNode
 
 
 # from typing import Any, Dict
@@ -12,7 +12,7 @@ from langgraph.prebuilt import ToolNode, create_react_agent
 from langchain_openai import ChatOpenAI
 from langgraph.graph import StateGraph, START, END
 from langgraph.graph.message import add_messages
-from langchain.schema import HumanMessage, AIMessage, SystemMessage
+from langchain.schema import HumanMessage, SystemMessage
 # Create a ToolNode that knows about your web_search function
 import json
 from state import AgentState
@@ -25,7 +25,7 @@ tool_node = ToolNode([ocr_image_tool, parse_excel_tool, web_search_tool])
 
 llm = ChatOpenAI(model_name="gpt-4.1-mini", temperature=0.0)
 
-agent = create_react_agent(model=llm, tools=tool_node)
+# agent = create_react_agent(model=llm, tools=tool_node)
 
 # ─── Revised plan_node with NO extra arguments ───
 def plan_node(state: AgentState) -> AgentState: