Update app.py

app.py

@@ -7,6 +7,9 @@ from langgraph.prebuilt import tools_condition
 from langchain_huggingface import HuggingFaceEndpoint, ChatHuggingFace
 from tools import search_tool
 from retriever import game_info_tool
+import os
+
+HUGGINGFACEHUB_API_TOKEN = os.environ.get("HUGGINGFACEHUB_API_TOKEN")
 
 # Generate the chat interface, including the tools
 llm = HuggingFaceEndpoint(