fix bug

app.py

@@ -315,7 +315,7 @@ with image_blocks as demo:
         if index is not None and index < len(gallery_images):
             return gallery_images[index]
         return None
-    image_gallery.select(fn=select_image, inputs=[gr.Slider(0, len(image_gallery) - 1), image_gallery], outputs=garm_img)
+    image_gallery.select(fn=select_image, inputs=[gr.Slider(0, 9), image_gallery], outputs=garm_img)
 
     try_button.click(fn=start_tryon, inputs=[imgs, garm_img, prompt, is_checked,is_checked_crop, denoise_steps, seed], outputs=[image_out,masked_img], api_name='tryon')