edits

app.py

@@ -154,7 +154,6 @@ def generate_matching_superfeatures(im1, im2, Imagenet_model=False, scale_id=6,
         sf_idx_ = np.random.randint(256, size=n_sf_ids)
     else:
         sf_idx_ = map(int, sf_ids.strip().split(','))
-        n_sf_ids = len(sf_idx_)
         
     # if only_matching:
     if random_mode:
@@ -163,6 +162,8 @@ def generate_matching_superfeatures(im1, im2, Imagenet_model=False, scale_id=6,
     else:
         sf_idx_ = [i for i in sf_idx_ if i in list(ind_match)]
 
+    n_sf_ids = len(sf_idx_)
+
     # Store all binary SF att maps to show them all at once in the end
     all_att_bin1 = []
     all_att_bin2 = []