notebook fix so they run on binder

Author: IngeborgGjerde

Dockerfile

@@ -1,5 +1,5 @@
 # Use github pages for docker image
-FROM ghcr.io/ingeborggjerde/graphnics:v0.3.0
+FROM ghcr.io/ingeborggjerde/graphnics:v0.4.0
 
 # Create user with a home directory
 ARG NB_USER

demo/Graphnics demo.ipynb

@@ -2,16 +2,29 @@
  "cells": [
   {
    "cell_type": "code",
-   "execution_count": 53,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
+    "# If running in binder you need to install graphnics\n",
+    "# Just uncomment the lines below and run this cell\n",
+    "\n",
+    "#! cd .. && python3 -m pip install -e . && cd demo           \n",
+    "#from IPython.core.display import HTML                       \n",
+    "#HTML(\"<script>Jupyter.notebook.kernel.restart()</script>\") \n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "\n",
+    "\n",
     "from fenics import *\n",
     "import sys\n",
     "sys.path.append('../data/')\n",
-    "sys.path.append('../graphnics/')\n",
-    "sys.path.append('../applications/')\n",
-    "sys.path.append('../../NetworkGen/')\n",
     "import matplotlib.pyplot as plt\n",
     "import networkx as nx\n",
     "import numpy as np\n",