Add notice for restarting the kernel after modifying models.py

Author: behnam-zakeri

tutorial/westeros/westeros_investment.ipynb

@@ -10,37 +10,18 @@
     "\n",
     "**Pre-requisites**\n",
     "- You have the *MESSAGEix* framework installed and working\n",
-    "- You have run Westeros baseline scenario (``westeros_baseline.ipynb``) and solved it successfully"
+    "- You have run Westeros baseline scenario (``westeros_baseline.ipynb``) and solved it successfully\n",
+    "\n",
+    "_This tutorial was presented by [Behnam Zakeri](https://iiasa.ac.at/staff/behnam-zakeri) at the **MESSAGEix Community Meeting** May 2022. Please feel free to suggest improvements through issues and pull-requests_."
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 1,
-   "metadata": {},
-   "outputs": [
-    {
-     "name": "stderr",
-     "output_type": "stream",
-     "text": [
-      "C:\\Users\\zakeri\\AppData\\Local\\Continuum\\anaconda3\\lib\\site-packages\\numpy\\_distributor_init.py:32: UserWarning: loaded more than 1 DLL from .libs:\n",
-      "C:\\Users\\zakeri\\AppData\\Local\\Continuum\\anaconda3\\lib\\site-packages\\numpy\\.libs\\libopenblas.NOIJJG62EMASZI6NYURL6JBKM4EVBGM7.gfortran-win_amd64.dll\n",
-      "C:\\Users\\zakeri\\AppData\\Local\\Continuum\\anaconda3\\lib\\site-packages\\numpy\\.libs\\libopenblas.XWYDX2IKJW2NMTWSFYNGFUWKQU3LYTCZ.gfortran-win_amd64.dll\n",
-      "  stacklevel=1)\n"
-     ]
-    },
-    {
-     "data": {
-      "application/javascript": [
-       "IPython.OutputArea.prototype._should_scroll = function(lines) { return false; }"
-      ],
-      "text/plain": [
-       "<IPython.core.display.Javascript object>"
-      ]
-     },
-     "metadata": {},
-     "output_type": "display_data"
-    }
-   ],
+   "execution_count": null,
+   "metadata": {
+    "scrolled": true
+   },
+   "outputs": [],
    "source": [
     "import pandas as pd\n",
     "import ixmp\n",
@@ -54,7 +35,9 @@
   {
    "cell_type": "code",
    "execution_count": 2,
-   "metadata": {},
+   "metadata": {
+    "scrolled": true
+   },
    "outputs": [],
    "source": [
     "mp = ixmp.Platform()"
@@ -93,7 +76,9 @@
   {
    "cell_type": "code",
    "execution_count": 3,
-   "metadata": {},
+   "metadata": {
+    "scrolled": true
+   },
    "outputs": [
     {
      "name": "stderr",
@@ -113,7 +98,9 @@
   {
    "cell_type": "code",
    "execution_count": 4,
-   "metadata": {},
+   "metadata": {
+    "scrolled": true
+   },
    "outputs": [],
    "source": [
     "# Solving the new scenario again (testing the changes in the GAMS code)\n",
@@ -131,7 +118,9 @@
   {
    "cell_type": "code",
    "execution_count": 5,
-   "metadata": {},
+   "metadata": {
+    "scrolled": true
+   },
    "outputs": [],
    "source": [
     "# We assert that the objective values are the same\n",
@@ -141,7 +130,9 @@
   {
    "cell_type": "code",
    "execution_count": 6,
-   "metadata": {},
+   "metadata": {
+    "scrolled": true
+   },
    "outputs": [],
    "source": [
     "# We can compare the activity of one technology in one year too\n",
@@ -174,7 +165,9 @@
   {
    "cell_type": "code",
    "execution_count": 7,
-   "metadata": {},
+   "metadata": {
+    "scrolled": true
+   },
    "outputs": [
     {
      "data": {
@@ -247,13 +240,18 @@
     "\n",
     "2. For being able to retrieve the content of this new variable, we need to explicitly pass it through the `var_list` option when calling `solve()`. This has to be done because this variable is not among the default variables of `message_ix`. So, the notation for solving will be:\n",
     "\n",
-    "`solve(var_list=[\"INVEST\"])`\n"
+    "`solve(var_list=[\"INVEST\"])`\n",
+    "\n",
+    "#### Notice: Restart the kernel\n",
+    "For these changes to be effective, you need to re-import the `message_ix` package to your session. This means you need to restart the kernel at this stage and run the notebook again.\n"
    ]
   },
   {
    "cell_type": "code",
    "execution_count": 8,
-   "metadata": {},
+   "metadata": {
+    "scrolled": true
+   },
    "outputs": [],
    "source": [
     "# Now, let's solve the scenario again\n",
@@ -271,7 +269,9 @@
   {
    "cell_type": "code",
    "execution_count": 9,
-   "metadata": {},
+   "metadata": {
+    "scrolled": true
+   },
    "outputs": [
     {
      "data": {
@@ -415,7 +415,9 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
+   "metadata": {
+    "scrolled": true
+   },
    "outputs": [],
    "source": [
     "# Now, let's clone a new scenario and solve\n",
@@ -426,7 +428,9 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
+   "metadata": {
+    "scrolled": true
+   },
    "outputs": [],
    "source": [
     "df = scen2.var(\"INVEST\", {\"node\": \"Westeros\"})\n",
@@ -443,7 +447,9 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
+   "metadata": {
+    "scrolled": true
+   },
    "outputs": [],
    "source": [
     "# Adding input data for \"bound_investment_up\"\n",
@@ -460,7 +466,9 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
+   "metadata": {
+    "scrolled": true
+   },
    "outputs": [],
    "source": [
     "# Adding the unit to the platform (if not exists yet)\n",
@@ -476,7 +484,9 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
+   "metadata": {
+    "scrolled": true
+   },
    "outputs": [],
    "source": [
     "# Solving the scenario\n",
@@ -497,7 +507,9 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
+   "metadata": {
+    "scrolled": true
+   },
    "outputs": [],
    "source": [
     "# Investment needs before the bound\n",
@@ -507,7 +519,9 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
+   "metadata": {
+    "scrolled": true
+   },
    "outputs": [],
    "source": [
     "# Investment needs after the bound\n",
@@ -527,7 +541,9 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
+   "metadata": {
+    "scrolled": true
+   },
    "outputs": [],
    "source": [
     "# Difference in the total system costs after investment limits (M$)\n",
@@ -557,7 +573,9 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
+   "metadata": {
+    "scrolled": true
+   },
    "outputs": [],
    "source": [
     "# Close the connection to the database\n",