Update app.py

app.py

@@ -111,6 +111,9 @@ def verify(image, model, person, validation_image=None):
 
             face = preprocess_image_siamese(temp_face_path)
             validation_face = preprocess_image_siamese(validation_temp_image_path)
+
+            face = face.unsqueeze(0)
+            validation_face = validation_face.unsqueeze(0)
         
             with torch.no_grad():
                 output = siamese(face, validation_face)