diff --git a/IUM_07.Sacred.ipynb b/IUM_07.Sacred.ipynb
index 7246a68..c484b7b 100644
--- a/IUM_07.Sacred.ipynb
+++ b/IUM_07.Sacred.ipynb
@@ -779,7 +779,7 @@
     "    return \"{0} {1}!\".format(greeting, recipient)\n",
     "\n",
     "@ex.main\n",
-    "def my_main(recipient, greeting):\n",
+    "def my_main():\n",
     "    print(prepare_message()) ## Nie musimy przekazywać wartości\n",
     "    \n",
     "ex.run()"
@@ -828,7 +828,11 @@
   },
   {
    "cell_type": "markdown",
-   "metadata": {},
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
    "source": [
     "### File storage observer\n",
     "- zapisuje informacje o eksperymencie w lokalnych plikach \n",
@@ -838,7 +842,11 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
    "outputs": [],
    "source": [
     "# %load IUM_07/file_observer.py\n",
@@ -866,7 +874,11 @@
   {
    "cell_type": "code",
    "execution_count": 159,
-   "metadata": {},
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
    "outputs": [
     {
      "name": "stdout",
@@ -885,7 +897,11 @@
   },
   {
    "cell_type": "markdown",
-   "metadata": {},
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
    "source": [
     "#### Zobaczmy jakie informacje zostały zapisane"
    ]
@@ -893,7 +909,11 @@
   {
    "cell_type": "code",
    "execution_count": 160,
-   "metadata": {},
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
    "outputs": [
     {
      "name": "stdout",
@@ -913,7 +933,11 @@
   {
    "cell_type": "code",
    "execution_count": 164,
-   "metadata": {},
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
    "outputs": [
     {
      "name": "stdout",
@@ -934,7 +958,11 @@
   {
    "cell_type": "code",
    "execution_count": 162,
-   "metadata": {},
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
    "outputs": [
     {
      "data": {
@@ -959,7 +987,11 @@
   {
    "cell_type": "code",
    "execution_count": 165,
-   "metadata": {},
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
    "outputs": [
     {
      "name": "stdout",
@@ -979,7 +1011,11 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
    "outputs": [],
    "source": [
     "# %load my_runs/2/run.json\n",
@@ -1058,7 +1094,11 @@
   {
    "cell_type": "code",
    "execution_count": 170,
-   "metadata": {},
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
    "outputs": [
     {
      "name": "stdout",
@@ -1077,7 +1117,11 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
    "outputs": [],
    "source": [
     "## Źródła zostały zapisane\n",
@@ -1105,7 +1149,11 @@
   },
   {
    "cell_type": "markdown",
-   "metadata": {},
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
    "source": [
     "### Dodawanie własnych informacji\n"
    ]
@@ -1113,7 +1161,11 @@
   {
    "cell_type": "code",
    "execution_count": 183,
-   "metadata": {},
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
    "outputs": [
     {
      "name": "stderr",
@@ -1164,7 +1216,11 @@
   {
    "cell_type": "code",
    "execution_count": 185,
-   "metadata": {},
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
    "outputs": [
     {
      "name": "stdout",
@@ -1182,7 +1238,11 @@
   },
   {
    "cell_type": "markdown",
-   "metadata": {},
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
    "source": [
     "### Artefakty\n",
     "\n",
@@ -1195,7 +1255,11 @@
   },
   {
    "cell_type": "markdown",
-   "metadata": {},
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
    "source": [
     " ## Obserwator mongo\n",
     " - Żeby skorzystać z obserwatora Mongo, musimy mieć dostęp do bazy Mongo.\n",
@@ -1207,7 +1271,11 @@
   {
    "cell_type": "code",
    "execution_count": 134,
-   "metadata": {},
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
    "outputs": [
     {
      "name": "stdout",
@@ -1224,7 +1292,11 @@
   {
    "cell_type": "code",
    "execution_count": 155,
-   "metadata": {},
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
    "outputs": [
     {
      "name": "stderr",
@@ -1279,7 +1351,11 @@
   },
   {
    "cell_type": "markdown",
-   "metadata": {},
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
    "source": [
     "- Informacje o eksperymencie można obejrzeć na Omniboard: http://127.0.0.1:9000/sacred\n",
     "- Instancja na Jenkinsie: http://tzietkiewicz.vm.wmi.amu.edu.pl:9000/sacred\n",
@@ -1288,7 +1364,11 @@
   },
   {
    "cell_type": "markdown",
-   "metadata": {},
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
    "source": [
     "## Metryki\n",
     "\n",
@@ -1301,7 +1381,11 @@
   {
    "cell_type": "code",
    "execution_count": 192,
-   "metadata": {},
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
    "outputs": [
     {
      "name": "stderr",
@@ -1378,7 +1462,11 @@
   },
   {
    "cell_type": "markdown",
-   "metadata": {},
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
    "source": [
     "#### Wartości metryk możemy na żywo śledzić w Omniboard\n",
     "<img src=\"IUM_07/metrics.png\" width=\"75%\"/>"
@@ -1392,7 +1480,7 @@
     }
    },
    "source": [
-    "## Zadanie  [15 pkt]\n",
+    "## Zadanie  [15 pkt] (do 9 V 2021)\n",
     "1. \"Owiń\" wywołanie swojego eksperymentu za pomocą Sacred, w ten sposób, żeby zapisane zostały [10pkt]:\n",
     " - parametry, z którymi wywołany był trening\n",
     " - powstały plik z modelem (jako artefakt)\n",