Update app.py

app.py

@@ -11,7 +11,8 @@ from typing import TypedDict, Annotated
 from langchain_openai import ChatOpenAI
 from langgraph.graph import StateGraph, START, END
 from langgraph.graph.message import add_messages
-
+import langgraph
+print("▶︎ LangGraph version:", langgraph.__version__)
 # Create a ToolNode that knows about your web_search function
 
 # (Keep Constants as is)
@@ -309,7 +310,8 @@ if __name__ == "__main__":
     # Check for SPACE_HOST and SPACE_ID at startup for information
     space_host_startup = os.getenv("SPACE_HOST")
     space_id_startup = os.getenv("SPACE_ID") # Get SPACE_ID at startup
-
+    # import langgraph
+    print("▶︎ LangGraph version:", langgraph.__version__)
     if space_host_startup:
         print(f"✅ SPACE_HOST found: {space_host_startup}")
         print(f"   Runtime URL should be: https://{space_host_startup}.hf.space")