diff --git a/app/cara.ipynb b/app/cara.ipynb
index 34610701..906bf165 100644
--- a/app/cara.ipynb
+++ b/app/cara.ipynb
@@ -15,7 +15,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 2,
+   "execution_count": 1,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -28,21 +28,9 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 9,
+   "execution_count": 5,
    "metadata": {},
-   "outputs": [
-    {
-     "ename": "ModuleNotFoundError",
-     "evalue": "No module named 'cara'",
-     "output_type": "error",
-     "traceback": [
-      "\u001B[0;31m---------------------------------------------------------------------------\u001B[0m",
-      "\u001B[0;31mModuleNotFoundError\u001B[0m                       Traceback (most recent call last)",
-      "\u001B[0;32m<ipython-input-9-4b5d4c4413b1>\u001B[0m in \u001B[0;36m<module>\u001B[0;34m\u001B[0m\n\u001B[0;32m----> 1\u001B[0;31m \u001B[0;32mimport\u001B[0m \u001B[0mcara\u001B[0m\u001B[0;34m.\u001B[0m\u001B[0mmodels\u001B[0m\u001B[0;34m\u001B[0m\u001B[0;34m\u001B[0m\u001B[0m\n\u001B[0m\u001B[1;32m      2\u001B[0m \u001B[0;34m\u001B[0m\u001B[0m\n\u001B[1;32m      3\u001B[0m \u001B[0;34m\u001B[0m\u001B[0m\n\u001B[1;32m      4\u001B[0m \u001B[0;32mdef\u001B[0m \u001B[0mprepare_model\u001B[0m\u001B[0;34m(\u001B[0m\u001B[0mvolume\u001B[0m\u001B[0;34m,\u001B[0m \u001B[0mn_infected\u001B[0m\u001B[0;34m=\u001B[0m\u001B[0;36m1\u001B[0m\u001B[0;34m,\u001B[0m \u001B[0mn_exposed\u001B[0m\u001B[0;34m=\u001B[0m\u001B[0;36m10\u001B[0m\u001B[0;34m,\u001B[0m \u001B[0mmask\u001B[0m\u001B[0;34m=\u001B[0m\u001B[0;34m'Type I'\u001B[0m\u001B[0;34m)\u001B[0m \u001B[0;34m->\u001B[0m \u001B[0mcara\u001B[0m\u001B[0;34m.\u001B[0m\u001B[0mmodels\u001B[0m\u001B[0;34m.\u001B[0m\u001B[0mModel\u001B[0m\u001B[0;34m:\u001B[0m\u001B[0;34m\u001B[0m\u001B[0;34m\u001B[0m\u001B[0m\n\u001B[1;32m      5\u001B[0m     \"\"\"\n",
-      "\u001B[0;31mModuleNotFoundError\u001B[0m: No module named 'cara'"
-     ]
-    }
-   ],
+   "outputs": [],
    "source": [
     "import cara.models\n",
     "\n",
@@ -71,7 +59,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 10,
+   "execution_count": 6,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -82,7 +70,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 11,
+   "execution_count": 7,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -105,13 +93,13 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 12,
+   "execution_count": 8,
    "metadata": {},
    "outputs": [
     {
      "data": {
       "application/vnd.jupyter.widget-view+json": {
-       "model_id": "f18dd83234d345e39f3e841dec017ff8",
+       "model_id": "eb109c0f63e149d69e763aec5d404db2",
        "version_major": 2,
        "version_minor": 0
       },
@@ -137,13 +125,13 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 13,
+   "execution_count": 9,
    "metadata": {},
    "outputs": [
     {
      "data": {
       "application/vnd.jupyter.widget-view+json": {
-       "model_id": "45619847b1a9413f8c864775e597d515",
+       "model_id": "49ad604786f546f58dba54f1f6e7eded",
        "version_major": 2,
        "version_minor": 0
       },
@@ -187,20 +175,22 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 14,
+   "execution_count": 10,
    "metadata": {},
    "outputs": [
     {
-     "ename": "NameError",
-     "evalue": "name 'prepare_model' is not defined",
-     "output_type": "error",
-     "traceback": [
-      "\u001B[0;31m---------------------------------------------------------------------------\u001B[0m",
-      "\u001B[0;31mNameError\u001B[0m                                 Traceback (most recent call last)",
-      "\u001B[0;32m<ipython-input-14-30d890ac3193>\u001B[0m in \u001B[0;36m<module>\u001B[0;34m\u001B[0m\n\u001B[1;32m     48\u001B[0m     \u001B[0mobservable\u001B[0m\u001B[0;34m.\u001B[0m\u001B[0mobserve\u001B[0m\u001B[0;34m(\u001B[0m\u001B[0mplot_concentrations\u001B[0m\u001B[0;34m)\u001B[0m\u001B[0;34m\u001B[0m\u001B[0;34m\u001B[0m\u001B[0m\n\u001B[1;32m     49\u001B[0m \u001B[0;34m\u001B[0m\u001B[0m\n\u001B[0;32m---> 50\u001B[0;31m \u001B[0mplot_concentrations\u001B[0m\u001B[0;34m(\u001B[0m\u001B[0;36m1\u001B[0m\u001B[0;34m)\u001B[0m\u001B[0;34m\u001B[0m\u001B[0;34m\u001B[0m\u001B[0m\n\u001B[0m\u001B[1;32m     51\u001B[0m \u001B[0;34m\u001B[0m\u001B[0m\n\u001B[1;32m     52\u001B[0m \u001B[0mfig\u001B[0m\u001B[0;34m.\u001B[0m\u001B[0mcanvas\u001B[0m\u001B[0;34m.\u001B[0m\u001B[0mtoolbar_visible\u001B[0m \u001B[0;34m=\u001B[0m \u001B[0;32mTrue\u001B[0m\u001B[0;34m\u001B[0m\u001B[0;34m\u001B[0m\u001B[0m\n",
-      "\u001B[0;32m<ipython-input-14-30d890ac3193>\u001B[0m in \u001B[0;36mplot_concentrations\u001B[0;34m(_)\u001B[0m\n\u001B[1;32m      8\u001B[0m \u001B[0;32mdef\u001B[0m \u001B[0mplot_concentrations\u001B[0m\u001B[0;34m(\u001B[0m\u001B[0m_\u001B[0m\u001B[0;34m)\u001B[0m\u001B[0;34m:\u001B[0m\u001B[0;34m\u001B[0m\u001B[0;34m\u001B[0m\u001B[0m\n\u001B[1;32m      9\u001B[0m     \u001B[0;32mglobal\u001B[0m \u001B[0mline\u001B[0m\u001B[0;34m\u001B[0m\u001B[0;34m\u001B[0m\u001B[0m\n\u001B[0;32m---> 10\u001B[0;31m     \u001B[0mmodel\u001B[0m \u001B[0;34m=\u001B[0m \u001B[0mprepare_model\u001B[0m\u001B[0;34m(\u001B[0m\u001B[0mroom_volume\u001B[0m\u001B[0;34m.\u001B[0m\u001B[0mvalue\u001B[0m\u001B[0;34m)\u001B[0m\u001B[0;34m\u001B[0m\u001B[0;34m\u001B[0m\u001B[0m\n\u001B[0m\u001B[1;32m     11\u001B[0m \u001B[0;34m\u001B[0m\u001B[0m\n\u001B[1;32m     12\u001B[0m     \u001B[0mts\u001B[0m \u001B[0;34m=\u001B[0m \u001B[0mnp\u001B[0m\u001B[0;34m.\u001B[0m\u001B[0marange\u001B[0m\u001B[0;34m(\u001B[0m\u001B[0;36m0\u001B[0m\u001B[0;34m,\u001B[0m \u001B[0;36m10.\u001B[0m\u001B[0;34m,\u001B[0m \u001B[0;36m0.01\u001B[0m\u001B[0;34m)\u001B[0m\u001B[0;34m\u001B[0m\u001B[0;34m\u001B[0m\u001B[0m\n",
-      "\u001B[0;31mNameError\u001B[0m: name 'prepare_model' is not defined"
-     ]
+     "data": {
+      "application/vnd.jupyter.widget-view+json": {
+       "model_id": "8e76a49d0212462d81200a3959dcd3ff",
+       "version_major": 2,
+       "version_minor": 0
+      },
+      "text/plain": [
+       "Accordion(children=(VBox(children=(HBox(children=(Canvas(footer_visible=False, header_visible=False, toolbar=T…"
+      ]
+     },
+     "metadata": {},
+     "output_type": "display_data"
     }
    ],
    "source": [
@@ -293,9 +283,9 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.8.5"
+   "version": "3.6.12"
   }
  },
  "nbformat": 4,
  "nbformat_minor": 4
-}
\ No newline at end of file
+}