diff --git a/examples/example_sideview.ipynb b/examples/example_sideview.ipynb
index 8167b44..ae0f85a 100644
--- a/examples/example_sideview.ipynb
+++ b/examples/example_sideview.ipynb
@@ -154,11 +154,14 @@
    "source": [
     "# this example needs to have ipylab installed and only runs in JupyterLab.\n",
     "from ipylab import JupyterFrontEnd, SplitPanel\n",
-    "from ipyniivue import NiiVue,SliceType\n",
+    "\n",
+    "from ipyniivue import NiiVue, SliceType\n",
     "\n",
     "volumes = [\n",
-    "  { \"path\": \"../images/mni152.nii.gz\", \"colormap\": \"gray\", \"visible\": True, \"opacity\": 1.0 },\n",
-    "  { \"path\": \"../images/hippo.nii.gz\", \"colormap\": \"red\", \"visible\": True, \"opacity\": 1 },\n",
+    "  { \"path\": \"../images/mni152.nii.gz\", \"colormap\": \"gray\",\n",
+    "   \"visible\": True, \"opacity\": 1.0 },\n",
+    "  { \"path\": \"../images/hippo.nii.gz\", \"colormap\": \"red\",\n",
+    "   \"visible\": True, \"opacity\": 1 },\n",
     "\n",
     "]\n",
     "nv = NiiVue(slice_type=SliceType.MULTIPLANAR)\n",
@@ -215,7 +218,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.11.6"
+   "version": "3.12.3"
   },
   "widgets": {
    "application/vnd.jupyter.widget-state+json": {