Update app.py

app.py

@@ -1,11 +1,12 @@
 import gradio as gr
 import matplotlib.pyplot as plt
-from sentence_transformers import util, SentenceTransformer
+from sentence_transformers import SentenceTransformer
+from sklearn.metrics.pairwise import cosine_similarity
 
 def predict(im1, im2):
   model = SentenceTransformer('sentence-transformers/clip-ViT-B-16')
   emb = model.encode([im1, im2])
-  sim = util.cos_sim(emb)[0][1]
+  sim = cosine_similarity(emb)[0][1]
   if sim > .90:
     return sim, "SAME PERSON, UNLOCK PHONE"
   else: