Update app.py

app.py

@@ -154,6 +154,7 @@ def infer(use_custom_model, model_name, weight_name, custom_lora_weight, image_i
         image = Image.open(image_in)
         image = image.convert("RGB")
         image = np.array(image)
+        image = 255 - image
         image = Image.fromarray(image)
     
     if use_custom_model: