update app.py with correct checkpoints

app.py

@@ -57,7 +57,7 @@ if not os.path.exists("saved_models/u2net/u2net.pth"):
     os.system("wget -P saved_models/u2net/ https://github.com/hasibzunair/fifa-demo/releases/download/v1.0/u2net.pth")
 
 # Get model checkpoints
-if not os.path.exists("./checkpoints/"):
+if not os.path.exists("./checkpoints/decavtonfifapretrain/"):
     os.system("wget -O ./checkpoints/decavtonfifapretrain.zip https://github.com/hasibzunair/vton-demo/releases/download/v1.0/decavtonfifapretrain.zip")
     os.system("unzip ./checkpoints/decavtonfifapretrain.zip -d ./checkpoints/")
 
@@ -67,7 +67,6 @@ print("########################Setup done!########################")
 print(f"####Using {device}.#####")
 u2net = u2net_load.model(model_name = 'u2netp')
 
-
 def composite_background(img_mask, person_image_path, tryon_image_path):
     """Put background back on the person image after tryon."""
     person = np.array(Image.open(person_image_path))