Update app.py

app.py

@@ -95,7 +95,7 @@ def detect(img, model):
     parser.add_argument('--nolabel', action='store_true', help='don`t show label')
     parser.add_argument('--unique-track-color', action='store_true', help='show each track in unique color')
 
-     np.random.seed(opt.seed)
+    np.random.seed(opt.seed)
 
     sort_tracker = Sort(max_age=5,
                        min_hits=2,