Update tools.py

tools.py

@@ -5,7 +5,7 @@ from langchain_community.tools import DuckDuckGoSearchRun
 from pathlib import Path
 from PIL import Image
 import pytesseract
-
+from app import AgentState
 def web_search_tool(state: AgentState) -> AgentState:
     """
     Expects: state["web_search_query"] is a non‐empty string.