Update app.py

app.py

@@ -429,7 +429,7 @@ with gr.Blocks(theme=theme, css=css) as demo:
             gr.Markdown("## Lineart \n<p>Check Invert to use with Mochi Diffusion.  Inverted image can also be created here for use with ControlNet Scribble.")
         with gr.Row():
             with gr.Column():
-                preprocessor_name = gr.Radio(label="Preprocessor", choices=["Lineart", "Lineart Coarse", "Lineart Anime"], type="value", default="Lineart")
+                preprocessor_name = gr.Radio(label="Preprocessor", choices=["Lineart", "Lineart Coarse", "Lineart Anime"], type="value", value="Lineart")
                 input_image = gr.Image(label="Input Image", type="numpy", height=512)
                 invert = gr.Checkbox(label="Invert", value=True)
                 resolution = gr.Slider(label="resolution", minimum=256, maximum=1024, value=512, step=64)