update app.py

app.py

@@ -92,7 +92,7 @@ with gr.Blocks(css=css) as demo:
             label="Negative prompt",
             max_lines=1,
             placeholder="Enter a negative prompt",
-            visible=False,
+            visible=True,
         )
 
         with gr.Row():
@@ -132,7 +132,7 @@ with gr.Blocks(css=css) as demo:
                     minimum=256,
                     maximum=MAX_IMAGE_SIZE,
                     step=32,
-                    value=1024,  # Replace with defaults that work for your model
+                    value=512,  # Replace with defaults that work for your model
                 )
 
                 height = gr.Slider(
@@ -140,7 +140,7 @@ with gr.Blocks(css=css) as demo:
                     minimum=256,
                     maximum=MAX_IMAGE_SIZE,
                     step=32,
-                    value=1024,  # Replace with defaults that work for your model
+                    value=512,  # Replace with defaults that work for your model
                 )