Update app.py

app.py

@@ -14,13 +14,13 @@ from torch_mtcnn import show_bboxes
 
 def pipeline(img):
     bounding_boxes, landmarks = detect_faces(img)
-    bb = [bounding_boxes[0,0], bounding_boxes[0,1], bounding_boxes[0,2], bounding_boxes[0,3]]
-    
-    if len(bb) == 0:
+    if len(bounding_boxes) == 0:
         raise Exception("Didn't face any faces, try another image!")
-    if len(bb) > 1:
+    if len(bounding_boxes) > 1:
         raise Exception("Found more than one face, try a profile picture with only one person in it!")
-    
+        
+    bb = [bounding_boxes[0,0], bounding_boxes[0,1], bounding_boxes[0,2], bounding_boxes[0,3]]
+      
     img_cropped = img.crop(bb)
     
     device = torch.device("cuda:0" if torch.cuda.is_available() else "cpu")