Update app.py

app.py

@@ -11,6 +11,7 @@ from langchain.prompts import PromptTemplate
 from sentence_transformers import SentenceTransformer
 import torch
 from transformers import AutoModelForSequenceClassification, AutoTokenizer
+import time
 
 # Set up environment, Pinecone is a database
 cache_dir = None  # Directory for cache