diff --git a/docs/tutorials/batch_showcase.ipynb b/docs/tutorials/batch_showcase.ipynb
index c9b1a9c..4050405 100644
--- a/docs/tutorials/batch_showcase.ipynb
+++ b/docs/tutorials/batch_showcase.ipynb
@@ -45,6 +45,7 @@
     "for i in range(10, 110):\n",
     "    obj_ids.append(np.array([i] * 1250))\n",
     "    mjds.append(np.arange(0.0, 1250.0, 1.0))\n",
+    "\n",
     "obj_ids = np.concatenate(obj_ids)\n",
     "mjds = np.concatenate(mjds)\n",
     "\n",