Update glaucoma.py

glaucoma.py

@@ -82,7 +82,10 @@ class GlaucomaModel(object):
         cam = self.cam.get_cam(image, disease_idx)
         cam = cv2.resize(cam, image_shape[::-1])
         disc_cup = self.optic_disc_cup_pred(image)
-        vcdr = simple_vcdr(disc_cup)
+        try:
+            vcdr = simple_vcdr(disc_cup)
+        except:
+            vcdr = '[None]'
         _, disc_cup_image = add_mask(image, disc_cup, [0, 1, 2], [[0, 0, 0], [0, 255, 0], [255, 0, 0]], 0.2)
 
         return disease_idx, disc_cup_image, cam, vcdr