diff --git a/Video_Killed_The_Radio_Star_Defusion.ipynb b/Video_Killed_The_Radio_Star_Defusion.ipynb
index 3800320..9c8a024 100644
--- a/Video_Killed_The_Radio_Star_Defusion.ipynb
+++ b/Video_Killed_The_Radio_Star_Defusion.ipynb
@@ -1029,6 +1029,7 @@
         "from subprocess import Popen, PIPE\n",
         "\n",
         "from omegaconf import OmegaConf\n",
+        "from prefetch import background\n",
         "from tqdm.autonotebook import tqdm\n",
         "\n",
         "from vktrs.tsp import (\n",
@@ -1087,6 +1088,7 @@
         "#####################################\n",
         "\n",
         "# helper function for readability\n",
+        "@background(max_prefetch=-1)\n",
         "def process_sequence(idx):\n",
         "    im_paths = get_image_sequence(idx, root)\n",
         "    images = [Image.open(fp) for fp in im_paths]\n",