Update app.py

app.py

@@ -22,9 +22,9 @@ def otsu_copy_binary(img):
 
 def visualize_model_output(prediction, img, model_name):
     if model_name == "SBB/eynollah-binarization":
-        prediction_true = prediction_true * -1
-        prediction_true = prediction_true + 1
-        added_image = prediction_true * 255
+        prediction = prediction * -1
+        prediction = prediction + 1
+        added_image = prediction * 255
     else:
         unique_classes = np.unique(prediction[:,:,0])
         rgb_colors = {'0' : [255, 255, 255],