Update utils.py

utils.py

@@ -1,3 +1,4 @@
+import os
 import torch
 import pickle
 import numpy as np
@@ -10,6 +11,8 @@ from sentence_transformers import SentenceTransformer, util
 from langchain.chains.question_answering import load_qa_chain
 from transformers import StoppingCriteria, StoppingCriteriaList
 
+hf_auth = os.getenv('hf_auth')
+
 # LLM Model
 model_id = 'meta-llama/Llama-2-7b-chat-hf'
 device = torch.device('cuda' if torch.cuda.is_available() else 'cpu')