Update state.py

state.py

@@ -1,15 +1,14 @@
-from typing import TypedDict, Annotated
+from typing_extensions import TypedDict
+from typing import Annotated
 from langgraph.graph.message import add_messages
+
 class AgentState(TypedDict, total=False):
     messages: Annotated[list, add_messages]
-    # Fields that the agent node can set to request a tool
     web_search_query: str
     ocr_path: str
     excel_path: str
     excel_sheet_name: str
-    # Fields to hold the tool outputs
     web_search_result: str
     ocr_result: str
     excel_result: str
-    # A “final_answer” field that the last agent node will fill
-    final_answer: str# (Keep Constants as is)
+    final_answer: str