Update app.py

app.py

@@ -220,6 +220,13 @@ with gr.Blocks(css=css, head=head) as demo:
             btn = gr.Button("Run", variant="primary")
         with gr.Column():
             with gr.Accordion("parameters", open=False):
+                ckpt_value = os.path.join('SD1.5', 'realisticVisionV60B1_v51VAE.safetensors')
+                ckpt_name = gr.Dropdown(
+                    label="Base Model (fixed for demo)",
+                    choices=[ckpt_value],
+                    value=ckpt_value,
+                    interactive=False
+                )
                 negative_prompt = gr.Textbox(
                     label="Negative Prompt",
                     value="",