`app.py`: fix indentation

app.py

@@ -152,14 +152,14 @@ with gr.Blocks(css=css) as demo:
                         with gr.Column(scale=1):
                             steps = gr.Slider(label="Sampling Steps", miniumum=1, maximum=50, value=25, step=1)
 
-                        with gr.Row():
-                            with gr.Column(scale=1):
-                                width = gr.Slider(label="Width", miniumum=1, maximum=1024, value=512, step=1)
-                                height = gr.Slider(label="Height", miniumum=1, maximum=1024, value=512, step=1)
-                         
-                            with gr.Column(scale=1):
-                                batch_size = gr.Slider(label="Batch Size", miniumum=1, maximum=1, value=1)
-                                batch_count = gr.Slider(label="Batch Count", miniumum=1, maximum=1, value=1)
+                    with gr.Row():
+                        with gr.Column(scale=1):
+                            width = gr.Slider(label="Width", miniumum=1, maximum=1024, value=512, step=1)
+                            height = gr.Slider(label="Height", miniumum=1, maximum=1024, value=512, step=1)
+                        
+                        with gr.Column(scale=1):
+                            batch_size = gr.Slider(label="Batch Size", miniumum=1, maximum=1, value=1)
+                            batch_count = gr.Slider(label="Batch Count", miniumum=1, maximum=1, value=1)
 
                     cfg_scale = gr.Slider(label="CFG Scale", miniumum=1, maximum=20, value=7, step=1)
                     seed = gr.Number(label="Seed", value=-1)