Update app.py

app.py

@@ -5,13 +5,13 @@ from gradio.themes.utils.theme_dropdown import create_theme_dropdown
 
 dropdown, js = create_theme_dropdown()
 
-with gr.Blocks(theme='theNeofr/Syne', js="() => {document.body.classList.toggle('dark');}") as demo:
+with gr.Blocks(theme='NeoPy/shadowthedgehog', js="() => {document.body.classList.toggle('dark');}") as demo:
     with gr.Row(equal_height=True):
         with gr.Column(scale=10):
             gr.Markdown(
                 """
-                # Theme preview: `Syne`
-                To use this theme, set `theme='theNeofr/Syne'` in `gr.Blocks()` or `gr.Interface()`.
+                # Theme preview: `shadowthedgehog`
+                To use this theme, set `theme='NeoPy/shadowthedgehog'` in `gr.Blocks()` or `gr.Interface()`.
                 You can append an `@` and a semantic version expression, e.g. @>=1.0.0,<2.0.0 to pin to a given version
                 of this theme.
                 """