diff --git a/notebooks/end2end_demo.ipynb b/notebooks/end2end_demo.ipynb
index e060189b..3c7bc9ad 100644
--- a/notebooks/end2end_demo.ipynb
+++ b/notebooks/end2end_demo.ipynb
@@ -22,6 +22,7 @@
     "from delphi.eval import utils\n",
     "from delphi.eval import constants\n",
     "from delphi.eval.vis_per_token_model import visualize_per_token_category\n",
+    "\n",
     "# from delphi.eval.calc_model_group_stats import calc_model_group_stats\n",
     "from delphi.eval.token_labelling import TOKEN_LABELS"
    ]