diff --git a/examples/demo6/python/notebook/MEC application.ipynb b/examples/demo6/python/notebook/MEC application.ipynb
index c19b9722f5bc37c45481f6e24ad1f8a84b977626..6d3e3877c57bdf2dcc5cd7f1ecd1f7a6a0449b15 100644
--- a/examples/demo6/python/notebook/MEC application.ipynb	
+++ b/examples/demo6/python/notebook/MEC application.ipynb	
@@ -5,7 +5,7 @@
    "metadata": {},
    "source": [
     "# How to develop a MEC application using the MEC Sandbox HTTP REST API\n",
-    "This tutorial introduces the step by step procedure to create a basic MEC appcation following ETSI MEC standards.\n",
+    "This tutorial introduces the step by step procedure to create a basic MEC application following ETSI MEC standards.\n",
     "It uses the ETSI MEC Sandbox simulator.\n",
     "\n",
     "<div class=\"alert alert-block alert-danger\">\n",
@@ -334,8 +334,8 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "#%%script echo skipping\n",
-    "# Uncomment the ;line above to skip execution of this cell\n",
+    "%%script echo skipping\n",
+    "# Uncomment the line above to skip execution of this cell\n",
     "def process_main():\n",
     "    \"\"\"\n",
     "    This is the skeleton of our MEC application:\n",
@@ -441,7 +441,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "#%%script echo skipping\n",
+    "%%script echo skipping\n",
     "# Uncomment the ;line above to skip execution of this cell\n",
     "def process_main():\n",
     "    \"\"\"\n",
@@ -621,7 +621,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "#%%script echo skipping\n",
+    "%%script echo skipping\n",
     "# Uncomment the ;line above to skip execution of this cell\n",
     "def process_main():\n",
     "    \"\"\"\n",
@@ -841,7 +841,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "#%%script echo skipping\n",
+    "%%script echo skipping\n",
     "# Uncomment the ;line above to skip execution of this cell\n",
     "def process_main():\n",
     "    \"\"\"\n",
@@ -1233,7 +1233,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "#%%script echo skipping\n",
+    "%%script echo skipping\n",
     "# Uncomment the ;line above to skip execution of this cell\n",
     "def process_main():\n",
     "    \"\"\"\n",
@@ -1502,7 +1502,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "#%%script echo skipping\n",
+    "%%script echo skipping\n",
     "# Uncomment the ;line above to skip execution of this cell\n",
     "def process_main():\n",
     "    \"\"\"\n",
@@ -1663,7 +1663,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "#%%script echo skipping\n",
+    "%%script echo skipping\n",
     "# Uncomment the ;line above to skip execution of this cell\n",
     "def process_main():\n",
     "    \"\"\"\n",
@@ -1749,13 +1749,13 @@
     "        logger.info('do_GET: ' + ctype)\n",
     "\n",
     "        message = ''\n",
-    "        if self.path == '/statistic/v1/quantity':\n",
+    "        if self.path == '/sandbox/v1/statistic/v1/quantity':\n",
     "            logger.info('do_GET: Computing statistic quantities for application MEC service')\n",
     "            # TODO Add logit to our MEC service\n",
     "            message = '{\"time\":20180124,\"avg\": 0.0,\"max\": 0.0,\"min\": 0.0,\"stddev\": 0.0 }'\n",
     "        else:\n",
-    "             # Send message back to client\n",
-    "            message = bytes(str(self.headers) + \"\\n\" +self.requestline +\"\\n\", 'utf8')\n",
+    "             # Send error message\n",
+    "            message = '{\"title\":\"Unknown URI\",\"type\":\"do_GET.parser\",\"status\":404 }'\n",
     "        logger.info('do_GET: message: ' + message)\n",
     "           \n",
     "        # Send response status code\n",
@@ -1767,7 +1767,7 @@
     "        self.end_headers()\n",
     "\n",
     "        # Write content as utf-8 data\n",
-    "        self.wfile.write(message)\n",
+    "        self.wfile.write(message.encode('utf8'))\n",
     "        return\n",
     "        # End of function do_GET\n",
     "\n",
@@ -1929,7 +1929,7 @@
    },
    "outputs": [],
    "source": [
-    "#%%script echo skipping\n",
+    "%%script echo skipping\n",
     "# Uncomment the ;line above to skip execution of this cell\n",
     "def process_main():\n",
     "    \"\"\"\n",
@@ -2077,7 +2077,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "#%%script echo skipping\n",
+    "%%script echo skipping\n",
     "# Uncomment the ;line above to skip execution of this cell\n",
     "def process_main():\n",
     "    \"\"\"\n",
@@ -2545,7 +2545,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "#%%script echo skipping\n",
+    "%%script echo skipping\n",
     "# Uncomment the ;line above to skip execution of this cell\n",
     "def process_main():\n",
     "    \"\"\"\n",
@@ -2614,7 +2614,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "#%%script echo skipping\n",
+    "%%script echo skipping\n",
     "# Uncomment the ;line above to skip execution of this cell\n",
     "def process_main():\n",
     "    \"\"\"\n",
@@ -3485,7 +3485,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "#%%script echo skipping\n",
+    "%%script echo skipping\n",
     "# Uncomment the ;line above to skip execution of this cell\n",
     "def process_main():\n",
     "    \"\"\"\n",
@@ -4511,7 +4511,7 @@
     "    data = json.loads(result.data)\n",
     "    logger.info('data: %s', str(data))\n",
     "    logger.info('=============> Execute the command: curl --request GET %s/statistic/v1/quantity --header \"Accept: application/json\" --data \\'{\"time\":20180124,\"data1\":\"[1516752000,11590.6,11616.9,11590.4,11616.9,0.25202387,1516752060,11622.4,11651.7,11622.4,11644.6,1.03977764]\"}\\'', CALLBACK_URI)\n",
-    "    time.sleep(45)\n",
+    "    time.sleep(60)\n",
     "\n",
     "    # Stop notification server\n",
     "    stop_notification_server(httpd)\n",
@@ -4667,7 +4667,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "#%%script echo skipping\n",
+    "%%script echo skipping\n",
     "# Uncomment the ;line above to skip execution of this cell\n",
     "def process_main():\n",
     "    \"\"\"\n",