Update app.py

app.py

@@ -19,6 +19,8 @@ from pinecone import Pinecone, ServerlessSpec
 from langchain_community.vectorstores import Pinecone as Pinecone_VectorStore
 from langchain.tools.retriever import create_retriever_tool
 from langchain.agents import AgentExecutor,create_react_agent
+from getpass import getpass
+HUGGINGFACEHUB_API_TOKEN = getpass()
 import os
 os.environ['TAVILY_API_KEY'] = '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'
 @tool