Update app.py

app.py

@@ -28,7 +28,7 @@ def infer(
     negative_prompt: str,
     width: int,
     height: int,
-    num_inference_steps: int,
+    num_inference_steps: Optional[int] = 20,
     model_id: Optional[str] = 'CompVis/stable-diffusion-v1-4',
     seed: Optional[int] = 42,
     guidance_scale: Optional[float] = 7.0,
@@ -105,6 +105,15 @@ with gr.Blocks(css=css) as demo:
                 value=7.0,
             )
 
+        with gr.Row():
+            num_inference_steps = gr.Slider(
+                label="Number of inference steps",
+                minimum=1,
+                maximum=50,
+                step=1,
+                value=20,
+            )
+
         with gr.Accordion("Optional Settings", open=False):
             with gr.Row():
                 width = gr.Slider(
@@ -124,15 +133,6 @@ with gr.Blocks(css=css) as demo:
                     value=1024,
                 )
 
-            with gr.Row():
-                num_inference_steps = gr.Slider(
-                    label="Number of inference steps",
-                    minimum=1,
-                    maximum=50,
-                    step=1,
-                    value=2,
-                )
-
         run_button = gr.Button("Run", scale=1, variant="primary")
         result = gr.Image(label="Result", show_label=False)