Update app.py

app.py

@@ -102,7 +102,7 @@ iface = gr.Interface(
         gr.components.Slider(minimum=512, maximum=1600, value=768, label="Width"),
         gr.components.Slider(minimum=512, maximum=1600, value=768, label="Height"),
         gr.components.Slider(minimum=4, maximum=12, step=0.5, value=7.0, label="CFG"),
-        gr.components.Number(label="Seed", value=None),
+        gr.components.Number(label="Seed", value=None, optional=True),
         gr.inputs.Checkbox(label="Restore Faces", default=False),
     ], 
     outputs=gr.components.Image(),