Update app.py

app.py

@@ -12,6 +12,7 @@ from langchain_openai import ChatOpenAI
 from transformers import AutoTokenizer, AutoModelForCausalLM
 from bs4 import BeautifulSoup
 import requests
+import torch
 
 # Function to load vector database
 def load_vector_db(zip_file_path, extract_path):