Update app.py

app.py

@@ -141,7 +141,7 @@ with gr.Blocks(css=css, title="ZenCtrl Inpainting") as demo:
         Converts e.g. examples/sofa1.png → examples/sofa1_out.png
         """
         out_path = subj_path.replace(".png", "_out.png")
-        return Image.open(out_path) 
+        return (Image.open(out_path), ) 
 
     # ---------- Examples ----------------------------------------
     gr.Examples(