Update app.py

app.py

@@ -187,7 +187,7 @@ with gr.Blocks(css=css) as demo:
         width =  gr.Slider( label="Width", minimum=256, maximum=2048, step=64, value=1024)
         height =  gr.Slider( label="Height", minimum=256, maximum=2048, step=64, value=1024)
 
-    with gr.Row()
+    with gr.Row():
         randomize_seed = gr.Radio(
                 ["Fix Seed", "Randomize Seed"],
                 value="Randomize Seed",