Update app.py

app.py

@@ -54,7 +54,7 @@ def depth_normal(img, model_selection="vit-small"):
  if model_selection == "vit_small":
  model = model_small
  cfg = cfg_small
- elif model == "vit_large":
+ elif model_selection == "vit_large":
  model = model_large
  cfg = cfg_large