diff --git a/book/examples/example_gumbel.ipynb b/book/examples/example_gumbel.ipynb
index 9095c4c..e23cc7a 100644
--- a/book/examples/example_gumbel.ipynb
+++ b/book/examples/example_gumbel.ipynb
@@ -34,20 +34,6 @@
     "To complete this assignment, you can use `numpy`, `matplotlib` and from the `math` library, `log` and `e` (these are imported for you when you inialize the notebook)."
    ]
   },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {
-    "tags": [
-     "thebe-remove-input-init"
-    ]
-   },
-   "outputs": [],
-   "source": [
-    "import micropip\n",
-    "await micropip.install(\"ipywidgets\")"
-   ]
-  },
   {
    "cell_type": "code",
    "execution_count": 2,
diff --git a/book/examples/example_gumbel.py b/book/examples/example_gumbel.py
index a2c1337..7a91657 100644
--- a/book/examples/example_gumbel.py
+++ b/book/examples/example_gumbel.py
@@ -1,4 +1,4 @@
-from grading import check
+#from grading import check
 from math import isclose
 
 tolerance = 0.001