Update app.py

app.py

@@ -75,9 +75,9 @@ def load_models():
         )
         pipe.unet_encoder = UNet_Encoder
         
-        global models_loaded
         models_loaded = True
 
+
 def pil_to_binary_mask(pil_image, threshold=0):
     np_image = np.array(pil_image.convert("L"))  # Convert to grayscale directly
     binary_mask = np_image > threshold