diff --git a/notebooks/wut-web-alpha.ipynb b/notebooks/wut-web-alpha.ipynb
index 83391ec..0e7da36 100644
--- a/notebooks/wut-web-alpha.ipynb
+++ b/notebooks/wut-web-alpha.ipynb
@@ -256,8 +256,9 @@
     "    \n",
     "    test_dir=gen_image_tmp(obs_waterfalltmp, showwater);\n",
     "    test_data_gen=gen_image(obs_waterfalltmp, test_dir);\n",
-    "       \n",
-    "    prediction_bool=obs_wutsay(test_data_gen, model);\n",
+    "\n",
+    "# XXX NameError: name 'model' is not defined\n",
+    "#    prediction_bool=obs_wutsay(test_data_gen, model);\n",
     "\n",
     "    print()\n",
     "    print('Observation ID: ', get_obs_var('id', datObs))\n",
@@ -353,6 +354,13 @@
    "source": [
     "display_main()"
    ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": []
   }
  ],
  "metadata": {