Update app.py

app.py

@@ -21,6 +21,16 @@ footer {
 }
 '''
 
+js_func = """
+function refresh() {
+    const url = new URL(window.location);
+    if (url.searchParams.get('__theme') !== 'dark') {
+        url.searchParams.set('__theme', 'dark');
+        window.location.href = url.href;
+    }
+}
+"""
+
 examples = [
     "3d image, cute girl, in the style of Pixar --ar 1:2 --stylize 750, 4K resolution highlights, Sharp focus, octane render, ray tracing, Ultra-High-Definition, 8k, UHD, HDR, (Masterpiece:1.5), (best quality:1.5)",
     "Cold coffee in a cup bokeh --ar 85:128 --v 6.0 --style raw5, 4K",
@@ -120,7 +130,7 @@ def generate(
     image_paths = [save_image(img) for img in images]
     return image_paths, seed
 
-with gr.Blocks(css=css, theme="bethecloud/storj_theme") as demo:
+with gr.Blocks(css=css, theme="bethecloud/storj_theme", js=js_func) as demo:
     gr.Markdown(DESCRIPTIONx)
     
     with gr.Row():