Update app.py

app.py

@@ -16,6 +16,7 @@ from langchain.retrievers import ContextualCompressionRetriever
 from langchain.retrievers import EnsembleRetriever
 from langchain_community.vectorstores import FAISS
 from langchain_groq import ChatGroq
+from pinecone import Pinecone, ServerlessSpec
 from langchain import hub
 import pickle
 import os
@@ -46,7 +47,8 @@ app.config['SESSION_COOKIE_HTTPONLY'] = True
 app.config['SECRET_KEY'] = SECRET_KEY
 
 # Initialize Pinecone index and BM25 encoder
-pinecone_index = initialize_pinecone("uae-national-library-and-archives-vectorstore")
+pc = Pinecone(api_key=PINECONE_API_KEY)
+pinecone_index = pc.index("uae-national-library-and-archives-vectorstore")
 bm25 = BM25Encoder().load("./UAE-NLA.json")