diff --git a/IUM_04.Konteneryzacja.ipynb b/IUM_04.Konteneryzacja.ipynb
index bf14a30..bde53a7 100644
--- a/IUM_04.Konteneryzacja.ipynb
+++ b/IUM_04.Konteneryzacja.ipynb
@@ -248,7 +248,7 @@
     }
    },
    "source": [
-    "Przykładowy Dockerfile:\n",
+    "### Przykładowy Dockerfile:\n",
     "```Dockerfile\n",
     "# Nasz obraz będzie dzidziczył z obrazu Ubuntu w wersji latest\n",
     "FROM ubuntu:latest\n",
diff --git a/IUM_07.Sacred.ipynb b/IUM_07.Sacred.ipynb
index 0f41bc6..c3db448 100644
--- a/IUM_07.Sacred.ipynb
+++ b/IUM_07.Sacred.ipynb
@@ -115,7 +115,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 2,
+   "execution_count": 3,
    "metadata": {
     "slideshow": {
      "slide_type": "slide"
@@ -126,40 +126,18 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "Collecting sacred\n",
-      "  Downloading sacred-0.8.4-py2.py3-none-any.whl (107 kB)\n",
-      "\u001b[K     |████████████████████████████████| 107 kB 637 kB/s eta 0:00:01\n",
-      "\u001b[?25hCollecting py-cpuinfo>=4.0\n",
-      "  Downloading py_cpuinfo-9.0.0-py3-none-any.whl (22 kB)\n",
-      "Collecting GitPython\n",
-      "  Downloading GitPython-3.1.31-py3-none-any.whl (184 kB)\n",
-      "\u001b[K     |████████████████████████████████| 184 kB 617 kB/s eta 0:00:01\n",
-      "\u001b[?25hCollecting munch<3.0,>=2.5\n",
-      "  Downloading munch-2.5.0-py2.py3-none-any.whl (10 kB)\n",
-      "Collecting wrapt<2.0,>=1.0\n",
-      "  Downloading wrapt-1.15.0-cp39-cp39-manylinux_2_5_x86_64.manylinux1_x86_64.manylinux_2_17_x86_64.manylinux2014_x86_64.whl (78 kB)\n",
-      "\u001b[K     |████████████████████████████████| 78 kB 508 kB/s eta 0:00:01\n",
-      "\u001b[?25hCollecting colorama>=0.4\n",
-      "  Downloading colorama-0.4.6-py2.py3-none-any.whl (25 kB)\n",
-      "Collecting docopt<1.0,>=0.3\n",
-      "  Downloading docopt-0.6.2.tar.gz (25 kB)\n",
-      "Collecting jsonpickle>=1.2\n",
-      "  Downloading jsonpickle-3.0.1-py2.py3-none-any.whl (40 kB)\n",
-      "\u001b[K     |████████████████████████████████| 40 kB 518 kB/s eta 0:00:01\n",
-      "\u001b[?25hRequirement already satisfied: packaging>=18.0 in /home/tomek/miniconda3/lib/python3.9/site-packages (from sacred) (23.0)\n",
+      "Requirement already satisfied: sacred in /home/tomek/miniconda3/lib/python3.9/site-packages (0.8.4)\n",
+      "Requirement already satisfied: jsonpickle>=1.2 in /home/tomek/miniconda3/lib/python3.9/site-packages (from sacred) (3.0.1)\n",
+      "Requirement already satisfied: colorama>=0.4 in /home/tomek/miniconda3/lib/python3.9/site-packages (from sacred) (0.4.6)\n",
+      "Requirement already satisfied: GitPython in /home/tomek/miniconda3/lib/python3.9/site-packages (from sacred) (3.1.31)\n",
+      "Requirement already satisfied: py-cpuinfo>=4.0 in /home/tomek/miniconda3/lib/python3.9/site-packages (from sacred) (9.0.0)\n",
+      "Requirement already satisfied: wrapt<2.0,>=1.0 in /home/tomek/miniconda3/lib/python3.9/site-packages (from sacred) (1.15.0)\n",
+      "Requirement already satisfied: munch<3.0,>=2.5 in /home/tomek/miniconda3/lib/python3.9/site-packages (from sacred) (2.5.0)\n",
+      "Requirement already satisfied: docopt<1.0,>=0.3 in /home/tomek/miniconda3/lib/python3.9/site-packages (from sacred) (0.6.2)\n",
+      "Requirement already satisfied: packaging>=18.0 in /home/tomek/miniconda3/lib/python3.9/site-packages (from sacred) (23.0)\n",
       "Requirement already satisfied: six in /home/tomek/miniconda3/lib/python3.9/site-packages (from munch<3.0,>=2.5->sacred) (1.16.0)\n",
-      "Collecting gitdb<5,>=4.0.1\n",
-      "  Downloading gitdb-4.0.10-py3-none-any.whl (62 kB)\n",
-      "\u001b[K     |████████████████████████████████| 62 kB 430 kB/s eta 0:00:01\n",
-      "\u001b[?25hCollecting smmap<6,>=3.0.1\n",
-      "  Using cached smmap-5.0.0-py3-none-any.whl (24 kB)\n",
-      "Building wheels for collected packages: docopt\n",
-      "  Building wheel for docopt (setup.py) ... \u001b[?25ldone\n",
-      "\u001b[?25h  Created wheel for docopt: filename=docopt-0.6.2-py2.py3-none-any.whl size=13723 sha256=9ae6354916cc7817db186faf89036b67a6562e0391c04e901e72698d9ce5bd8b\n",
-      "  Stored in directory: /home/tomek/.cache/pip/wheels/70/4a/46/1309fc853b8d395e60bafaf1b6df7845bdd82c95fd59dd8d2b\n",
-      "Successfully built docopt\n",
-      "Installing collected packages: smmap, gitdb, wrapt, py-cpuinfo, munch, jsonpickle, GitPython, docopt, colorama, sacred\n",
-      "Successfully installed GitPython-3.1.31 colorama-0.4.6 docopt-0.6.2 gitdb-4.0.10 jsonpickle-3.0.1 munch-2.5.0 py-cpuinfo-9.0.0 sacred-0.8.4 smmap-5.0.0 wrapt-1.15.0\n"
+      "Requirement already satisfied: gitdb<5,>=4.0.1 in /home/tomek/miniconda3/lib/python3.9/site-packages (from GitPython->sacred) (4.0.10)\n",
+      "Requirement already satisfied: smmap<6,>=3.0.1 in /home/tomek/miniconda3/lib/python3.9/site-packages (from gitdb<5,>=4.0.1->GitPython->sacred) (5.0.0)\n"
      ]
     }
    ],
@@ -208,7 +186,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 14,
+   "execution_count": 5,
    "metadata": {
     "slideshow": {
      "slide_type": "fragment"
@@ -262,7 +240,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 15,
+   "execution_count": 6,
    "metadata": {
     "slideshow": {
      "slide_type": "fragment"
@@ -300,6 +278,7 @@
       "  -f --force                    Disable warnings about suspicious changes for\r\n",
       "                                this run.\r\n",
       "  -h --help                     Print this help message and exit.\r\n",
+      "  -i VALUE --id=VALUE           Set the id for this run.\r\n",
       "  -l VALUE --loglevel=VALUE     Set the LogLevel.  Loglevel either as 0 - 50 or\r\n",
       "                                as string: DEBUG(10), INFO(20), WARNING(30),\r\n",
       "                                ERROR(40), CRITICAL(50)\r\n",
@@ -378,7 +357,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 5,
+   "execution_count": 8,
    "metadata": {
     "slideshow": {
      "slide_type": "slide"
@@ -407,7 +386,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 6,
+   "execution_count": 9,
    "metadata": {
     "slideshow": {
      "slide_type": "fragment"
@@ -434,10 +413,10 @@
     {
      "data": {
       "text/plain": [
-       "<sacred.run.Run at 0x7f641e9ddba8>"
+       "<sacred.run.Run at 0x7f89cc3175b0>"
       ]
      },
-     "execution_count": 6,
+     "execution_count": 9,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -459,7 +438,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 19,
+   "execution_count": 10,
    "metadata": {
     "slideshow": {
      "slide_type": "fragment"
@@ -472,7 +451,7 @@
        "{'recipient': 'Świecie', 'greeting': 'Witaj', 'message': 'Witaj Świecie!'}"
       ]
      },
-     "execution_count": 19,
+     "execution_count": 10,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -521,7 +500,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 21,
+   "execution_count": 14,
    "metadata": {
     "slideshow": {
      "slide_type": "fragment"
@@ -546,7 +525,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 24,
+   "execution_count": 15,
    "metadata": {
     "slideshow": {
      "slide_type": "fragment"
@@ -563,7 +542,7 @@
       "  greeting = 'Witaj'\r\n",
       "  message = 'Witaj Świecie!'\r\n",
       "  recipient = 'Świecie'\r\n",
-      "  seed = 539001265                   \u001b[2m# the random seed for this experiment\u001b[0m\r\n",
+      "  seed = 269258424                   \u001b[2m# the random seed for this experiment\u001b[0m\r\n",
       "INFO - sacred_scopes - Completed after 0:00:00\r\n"
      ]
     }
@@ -574,7 +553,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 90,
+   "execution_count": 16,
    "metadata": {
     "slideshow": {
      "slide_type": "fragment"
@@ -591,7 +570,7 @@
       "  greeting = 'Witaj'\r\n",
       "  message = 'Witaj Przygodo!'\r\n",
       "\u001b[34m  recipient = 'Przygodo'\u001b[0m\r\n",
-      "  seed = 215765170                   \u001b[2m# the random seed for this experiment\u001b[0m\r\n",
+      "  seed = 667939214                   \u001b[2m# the random seed for this experiment\u001b[0m\r\n",
       "INFO - sacred_scopes - Completed after 0:00:00\r\n"
      ]
     }
@@ -613,24 +592,13 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 7,
+   "execution_count": null,
    "metadata": {
     "slideshow": {
      "slide_type": "fragment"
     }
    },
-   "outputs": [
-    {
-     "data": {
-      "text/plain": [
-       "{'recipient': 'samotności', 'greeting': 'Żegnaj'}"
-      ]
-     },
-     "execution_count": 7,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
+   "outputs": [],
    "source": [
     "# %load IUM_07/config.json\n",
     "{\n",
@@ -641,7 +609,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 119,
+   "execution_count": 20,
    "metadata": {
     "slideshow": {
      "slide_type": "slide"
@@ -671,7 +639,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 120,
+   "execution_count": 21,
    "metadata": {
     "slideshow": {
      "slide_type": "fragment"
@@ -702,7 +670,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 121,
+   "execution_count": 22,
    "metadata": {
     "slideshow": {
      "slide_type": "fragment"
@@ -712,10 +680,10 @@
     {
      "data": {
       "text/plain": [
-       "{'recipient': 'samotności', 'greeting': 'Żegnaj', 'seed': 529757761}"
+       "{'recipient': 'samotności', 'greeting': 'Żegnaj', 'seed': 877272352}"
       ]
      },
-     "execution_count": 121,
+     "execution_count": 22,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -737,7 +705,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 124,
+   "execution_count": 23,
    "metadata": {
     "slideshow": {
      "slide_type": "fragment"
@@ -783,7 +751,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 193,
+   "execution_count": 24,
    "metadata": {
     "slideshow": {
      "slide_type": "slide"
@@ -811,10 +779,10 @@
     {
      "data": {
       "text/plain": [
-       "<sacred.run.Run at 0x7f423c40d820>"
+       "<sacred.run.Run at 0x7f89a0db5550>"
       ]
      },
-     "execution_count": 193,
+     "execution_count": 24,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -864,11 +832,24 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 28,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "total 20\r\n",
+      "drwsrwsr-t 2 tomek tomek 4096 May 28  2022 1\r\n",
+      "drwsrwsr-t 2 tomek tomek 4096 May 28  2022 2\r\n",
+      "drwxr-sr-x 2 tomek tomek 4096 Apr 12 15:11 3\r\n",
+      "drwxr-sr-x 2 tomek tomek 4096 Apr 12 15:11 _resources\r\n",
+      "drwsrwsr-t 2 tomek tomek 4096 May 28  2022 _sources\r\n"
+     ]
+    }
+   ],
    "source": [
-    "!ls -l runs"
+    "!ls -l my_runs"
    ]
   },
   {
@@ -906,21 +887,13 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 9,
+   "execution_count": null,
    "metadata": {
     "slideshow": {
      "slide_type": "slide"
     }
    },
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "Overwriting IUM_07/file_observer.py\n"
-     ]
-    }
-   ],
+   "outputs": [],
    "source": [
     "%%writefile IUM_07/file_observer.py\n",
     "from sacred.observers import FileStorageObserver\n",
@@ -946,7 +919,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 11,
+   "execution_count": 29,
    "metadata": {
     "slideshow": {
      "slide_type": "fragment"
@@ -958,7 +931,7 @@
      "output_type": "stream",
      "text": [
       "INFO - file_observer - Running command 'my_main'\r\n",
-      "INFO - file_observer - Started run with ID \"1\"\r\n",
+      "INFO - file_observer - Started run with ID \"4\"\r\n",
       "Witaj Świecie!\r\n",
       "INFO - file_observer - Completed after 0:00:00\r\n"
      ]
@@ -981,7 +954,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 12,
+   "execution_count": 30,
    "metadata": {
     "slideshow": {
      "slide_type": "slide"
@@ -992,9 +965,13 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "total 0\r\n",
-      "drwxr-xr-x 1 tomek tomek 512 Apr 25 09:51 1\r\n",
-      "drwxr-xr-x 1 tomek tomek 512 Apr 25 09:51 _sources\r\n"
+      "total 24\r\n",
+      "drwsrwsr-t 2 tomek tomek 4096 May 28  2022 1\r\n",
+      "drwsrwsr-t 2 tomek tomek 4096 May 28  2022 2\r\n",
+      "drwxr-sr-x 2 tomek tomek 4096 Apr 12 15:11 3\r\n",
+      "drwxr-sr-x 2 tomek tomek 4096 Apr 20 12:09 4\r\n",
+      "drwxr-sr-x 2 tomek tomek 4096 Apr 12 15:11 _resources\r\n",
+      "drwsrwsr-t 2 tomek tomek 4096 May 28  2022 _sources\r\n"
      ]
     }
    ],
@@ -1004,25 +981,13 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 14,
+   "execution_count": null,
    "metadata": {
     "slideshow": {
      "slide_type": "slide"
     }
    },
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "total 4\r\n",
-      "-rw-r--r-- 1 tomek tomek   77 Apr 25 09:51 config.json\r\n",
-      "-rw-r--r-- 1 tomek tomek  159 Apr 25 09:51 cout.txt\r\n",
-      "-rw-r--r-- 1 tomek tomek    2 Apr 25 09:51 metrics.json\r\n",
-      "-rw-r--r-- 1 tomek tomek 1659 Apr 25 09:51 run.json\r\n"
-     ]
-    }
-   ],
+   "outputs": [],
    "source": [
     "!ls -l my_runs/1"
    ]
@@ -1047,7 +1012,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 16,
+   "execution_count": 31,
    "metadata": {
     "slideshow": {
      "slide_type": "slide"
@@ -1153,7 +1118,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 170,
+   "execution_count": 32,
    "metadata": {
     "slideshow": {
      "slide_type": "slide"
@@ -1165,7 +1130,7 @@
      "output_type": "stream",
      "text": [
       "total 4\r\n",
-      "-rw-rw-r-- 1 tomek tomek 463 kwi 26 10:21 file_observer_bb0a5c4720d1072b641d23da080696b6.py\r\n"
+      "-rw-r--r-- 1 tomek tomek 464 May 28  2022 file_observer_cd34a0ef4a32fb0a966eaa01ea6371ad.py\r\n"
      ]
     }
    ],
@@ -1184,8 +1149,7 @@
    },
    "outputs": [],
    "source": [
-    "## Źródła zostały zapisane\n",
-    "# %load my_runs/_sources/file_observer_bb0a5c4720d1072b641d23da080696b6.py\n",
+    "# %load my_runs/_sources/file_observer_cd34a0ef4a32fb0a966eaa01ea6371ad.py\n",
     "from sacred.observers import FileStorageObserver\n",
     "from sacred import Experiment\n",
     "\n",
@@ -1204,7 +1168,7 @@
     "\n",
     "@ex.automain\n",
     "def my_main(recipient, greeting):\n",
-    "    print(prepare_message()) ## Nie musimy przekazywać wartości"
+    "    print(prepare_message()) ## Nie musimy przekazywać wartości\n"
    ]
   },
   {
@@ -1220,7 +1184,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 22,
+   "execution_count": 36,
    "metadata": {
     "slideshow": {
      "slide_type": "slide"
@@ -1232,7 +1196,7 @@
      "output_type": "stream",
      "text": [
       "INFO - file_observer - Running command 'my_main'\n",
-      "INFO - file_observer - Started run with ID \"2\"\n",
+      "INFO - file_observer - Started run with ID \"5\"\n",
       "INFO - file_observer - Completed after 0:00:00\n"
      ]
     },
@@ -1275,7 +1239,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 185,
+   "execution_count": 37,
    "metadata": {
     "slideshow": {
      "slide_type": "slide"
@@ -1287,13 +1251,13 @@
      "output_type": "stream",
      "text": [
       "{\r\n",
-      "  \"prepare_message_ts\": \"2021-04-26 10:39:59.268539\"\r\n",
+      "  \"prepare_message_ts\": \"2023-04-20 12:10:28.197315\"\r\n",
       "}"
      ]
     }
    ],
    "source": [
-    "cat my_runs/6/info.json"
+    "cat my_runs/5/info.json"
    ]
   },
   {
@@ -1326,7 +1290,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 6,
+   "execution_count": 38,
    "metadata": {
     "slideshow": {
      "slide_type": "slide"
@@ -1338,7 +1302,7 @@
      "output_type": "stream",
      "text": [
       "INFO - resources - Running command 'my_main'\n",
-      "INFO - resources - Started run with ID \"3\"\n",
+      "INFO - resources - Started run with ID \"6\"\n",
       "INFO - resources - Completed after 0:00:00\n"
      ]
     },
@@ -1353,10 +1317,10 @@
     {
      "data": {
       "text/plain": [
-       "<sacred.run.Run at 0x7f9b8821cd90>"
+       "<sacred.run.Run at 0x7f89a0db5a30>"
       ]
      },
-     "execution_count": 6,
+     "execution_count": 38,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -1379,7 +1343,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 7,
+   "execution_count": 39,
    "metadata": {},
    "outputs": [
     {
@@ -1397,21 +1361,21 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 9,
+   "execution_count": 41,
    "metadata": {},
    "outputs": [
     {
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "my_runs/3/run.json:    \"name\": \"resources\",\r\n",
-      "my_runs/3/run.json:  \"resources\": [\r\n",
-      "my_runs/3/run.json:      \"my_runs/_resources/Iris_717820ef0af287ff346c5cabfb4c612c.csv\"\r\n"
+      "my_runs/6/run.json:    \"name\": \"resources\",\r\n",
+      "my_runs/6/run.json:  \"resources\": [\r\n",
+      "my_runs/6/run.json:      \"my_runs/_resources/Iris_717820ef0af287ff346c5cabfb4c612c.csv\"\r\n"
      ]
     }
    ],
    "source": [
-    "!grep -e \"resources\" -R my_runs/3"
+    "!grep -e \"resources\" -R my_runs/6"
    ]
   },
   {
@@ -1431,7 +1395,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 19,
+   "execution_count": 42,
    "metadata": {
     "slideshow": {
      "slide_type": "slide"
@@ -1442,11 +1406,8 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "Collecting pymongo\n",
-      "  Downloading https://files.pythonhosted.org/packages/10/3b/46541b4ee3000019b8ef5b1847292ddc77f492c162bc4d49c424db7fc97a/pymongo-4.1.1-cp36-cp36m-manylinux1_x86_64.whl (464kB)\n",
-      "\u001b[K    100% |████████████████████████████████| 471kB 959kB/s ta 0:00:01\n",
-      "\u001b[?25hInstalling collected packages: pymongo\n",
-      "Successfully installed pymongo-4.1.1\n"
+      "Requirement already satisfied: pymongo in /home/tomek/miniconda3/lib/python3.9/site-packages (4.3.3)\r\n",
+      "Requirement already satisfied: dnspython<3.0.0,>=1.16.0 in /home/tomek/miniconda3/lib/python3.9/site-packages (from pymongo) (2.3.0)\r\n"
      ]
     }
    ],
@@ -1456,7 +1417,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 23,
+   "execution_count": null,
    "metadata": {
     "slideshow": {
      "slide_type": "slide"
@@ -1468,76 +1429,7 @@
      "output_type": "stream",
      "text": [
       "INFO - sacred_scopes - Running command 'my_main'\n",
-      "ERROR - sacred_scopes - Failed after 0:00:30!\n",
-      "ERROR - sacred_scopes - Traceback (most recent call last):\n",
-      "  File \"/home/tomek/.local/lib/python3.6/site-packages/sacred/run.py\", line 235, in __call__\n",
-      "    self._emit_started()\n",
-      "  File \"/home/tomek/.local/lib/python3.6/site-packages/sacred/run.py\", line 333, in _emit_started\n",
-      "    _id=self._id,\n",
-      "  File \"/home/tomek/.local/lib/python3.6/site-packages/sacred/observers/mongo.py\", line 258, in started_event\n",
-      "    self.insert()\n",
-      "  File \"/home/tomek/.local/lib/python3.6/site-packages/sacred/observers/mongo.py\", line 367, in insert\n",
-      "    c.next()[\"_id\"] + 1 if self.runs.count_documents({}, limit=1) else 1\n",
-      "  File \"/home/tomek/.local/lib/python3.6/site-packages/pymongo/collection.py\", line 1811, in count_documents\n",
-      "    return self._retryable_non_cursor_read(_cmd, session)\n",
-      "  File \"/home/tomek/.local/lib/python3.6/site-packages/pymongo/collection.py\", line 1816, in _retryable_non_cursor_read\n",
-      "    with client._tmp_session(session) as s:\n",
-      "  File \"/usr/lib/python3.6/contextlib.py\", line 81, in __enter__\n",
-      "    return next(self.gen)\n",
-      "  File \"/home/tomek/.local/lib/python3.6/site-packages/pymongo/mongo_client.py\", line 1676, in _tmp_session\n",
-      "    s = self._ensure_session(session)\n",
-      "  File \"/home/tomek/.local/lib/python3.6/site-packages/pymongo/mongo_client.py\", line 1663, in _ensure_session\n",
-      "    return self.__start_session(True, causal_consistency=False)\n",
-      "  File \"/home/tomek/.local/lib/python3.6/site-packages/pymongo/mongo_client.py\", line 1608, in __start_session\n",
-      "    self._topology._check_implicit_session_support()\n",
-      "  File \"/home/tomek/.local/lib/python3.6/site-packages/pymongo/topology.py\", line 519, in _check_implicit_session_support\n",
-      "    self._check_session_support()\n",
-      "  File \"/home/tomek/.local/lib/python3.6/site-packages/pymongo/topology.py\", line 536, in _check_session_support\n",
-      "    readable_server_selector, self._settings.server_selection_timeout, None\n",
-      "  File \"/home/tomek/.local/lib/python3.6/site-packages/pymongo/topology.py\", line 229, in _select_servers_loop\n",
-      "    % (self._error_message(selector), timeout, self.description)\n",
-      "pymongo.errors.ServerSelectionTimeoutError: localhost:27017: [Errno 111] Connection refused, Timeout: 30s, Topology Description: <TopologyDescription id: 6266603d3269f60a67f61383, topology_type: Unknown, servers: [<ServerDescription ('localhost', 27017) server_type: Unknown, rtt: None, error=AutoReconnect('localhost:27017: [Errno 111] Connection refused',)>]>\n",
-      "\n",
-      "During handling of the above exception, another exception occurred:\n",
-      "\n",
-      "Traceback (most recent call last):\n",
-      "  File \"/home/tomek/.local/lib/python3.6/site-packages/sacred/run.py\", line 429, in _final_call\n",
-      "    getattr(observer, method)(**kwargs)\n",
-      "  File \"/home/tomek/.local/lib/python3.6/site-packages/sacred/observers/mongo.py\", line 283, in failed_event\n",
-      "    self.final_save(attempts=1)\n",
-      "  File \"/home/tomek/.local/lib/python3.6/site-packages/sacred/observers/mongo.py\", line 421, in final_save\n",
-      "    os.makedirs(self.failure_dir, exist_ok=True)\n",
-      "  File \"/usr/lib/python3.6/os.py\", line 205, in makedirs\n",
-      "    head, tail = path.split(name)\n",
-      "  File \"/usr/lib/python3.6/posixpath.py\", line 107, in split\n",
-      "    p = os.fspath(p)\n",
-      "TypeError: expected str, bytes or os.PathLike object, not NoneType\n",
-      "\n"
-     ]
-    },
-    {
-     "ename": "ServerSelectionTimeoutError",
-     "evalue": "localhost:27017: [Errno 111] Connection refused, Timeout: 30s, Topology Description: <TopologyDescription id: 6266603d3269f60a67f61383, topology_type: Unknown, servers: [<ServerDescription ('localhost', 27017) server_type: Unknown, rtt: None, error=AutoReconnect('localhost:27017: [Errno 111] Connection refused',)>]>",
-     "output_type": "error",
-     "traceback": [
-      "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
-      "\u001b[0;31mServerSelectionTimeoutError\u001b[0m               Traceback (most recent call last)",
-      "\u001b[0;32m<ipython-input-23-95f1b404dde7>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m\u001b[0m\n\u001b[1;32m     19\u001b[0m     \u001b[0mprint\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mprepare_message\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m)\u001b[0m \u001b[0;31m## Nie musimy przekazywać wartości\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m     20\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m---> 21\u001b[0;31m \u001b[0mex\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mrun\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[0m",
-      "\u001b[0;32m~/.local/lib/python3.6/site-packages/sacred/experiment.py\u001b[0m in \u001b[0;36mrun\u001b[0;34m(self, command_name, config_updates, named_configs, info, meta_info, options)\u001b[0m\n\u001b[1;32m    274\u001b[0m             \u001b[0mcommand_name\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mconfig_updates\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mnamed_configs\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0minfo\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mmeta_info\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0moptions\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    275\u001b[0m         )\n\u001b[0;32m--> 276\u001b[0;31m         \u001b[0mrun\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[0m\u001b[1;32m    277\u001b[0m         \u001b[0;32mreturn\u001b[0m \u001b[0mrun\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    278\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n",
-      "\u001b[0;32m~/.local/lib/python3.6/site-packages/sacred/run.py\u001b[0m in \u001b[0;36m__call__\u001b[0;34m(self, *args)\u001b[0m\n\u001b[1;32m    233\u001b[0m         \u001b[0;32mtry\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    234\u001b[0m             \u001b[0;32mwith\u001b[0m \u001b[0mcapture_stdout\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m \u001b[0;32mas\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_output_file\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 235\u001b[0;31m                 \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_emit_started\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[0m\u001b[1;32m    236\u001b[0m                 \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_start_heartbeat\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    237\u001b[0m                 \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_execute_pre_run_hooks\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[0;32m~/.local/lib/python3.6/site-packages/sacred/run.py\u001b[0m in \u001b[0;36m_emit_started\u001b[0;34m(self)\u001b[0m\n\u001b[1;32m    331\u001b[0m                 \u001b[0mconfig\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mconfig\u001b[0m\u001b[0;34m,\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    332\u001b[0m                 \u001b[0mmeta_info\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mmeta_info\u001b[0m\u001b[0;34m,\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 333\u001b[0;31m                 \u001b[0m_id\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_id\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    334\u001b[0m             )\n\u001b[1;32m    335\u001b[0m             \u001b[0;32mif\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_id\u001b[0m \u001b[0;32mis\u001b[0m \u001b[0;32mNone\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
-      "\u001b[0;32m~/.local/lib/python3.6/site-packages/sacred/observers/mongo.py\u001b[0m in \u001b[0;36mstarted_event\u001b[0;34m(self, ex_info, command, host_info, start_time, config, meta_info, _id)\u001b[0m\n\u001b[1;32m    256\u001b[0m         \u001b[0;31m# save sources\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    257\u001b[0m         \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mrun_entry\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;34m\"experiment\"\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;34m\"sources\"\u001b[0m\u001b[0;34m]\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0msave_sources\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mex_info\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 258\u001b[0;31m         \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0minsert\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[0m\u001b[1;32m    259\u001b[0m         \u001b[0;32mreturn\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mrun_entry\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;34m\"_id\"\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    260\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n",
-      "\u001b[0;32m~/.local/lib/python3.6/site-packages/sacred/observers/mongo.py\u001b[0m in \u001b[0;36minsert\u001b[0;34m(self)\u001b[0m\n\u001b[1;32m    365\u001b[0m                 \u001b[0mc\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mc\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0msort\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m\"_id\"\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mpymongo\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mDESCENDING\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mlimit\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[1;32m    366\u001b[0m                 self.run_entry[\"_id\"] = (\n\u001b[0;32m--> 367\u001b[0;31m                     \u001b[0mc\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mnext\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;34m\"_id\"\u001b[0m\u001b[0;34m]\u001b[0m \u001b[0;34m+\u001b[0m \u001b[0;36m1\u001b[0m \u001b[0;32mif\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mruns\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mcount_documents\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m{\u001b[0m\u001b[0;34m}\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mlimit\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0;36m1\u001b[0m\u001b[0;34m)\u001b[0m \u001b[0;32melse\u001b[0m \u001b[0;36m1\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m    368\u001b[0m                 )\n\u001b[1;32m    369\u001b[0m             \u001b[0;32mtry\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
-      "\u001b[0;32m~/.local/lib/python3.6/site-packages/pymongo/collection.py\u001b[0m in \u001b[0;36mcount_documents\u001b[0;34m(self, filter, session, comment, **kwargs)\u001b[0m\n\u001b[1;32m   1809\u001b[0m             \u001b[0;32mreturn\u001b[0m \u001b[0mresult\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;34m\"n\"\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m   1810\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m-> 1811\u001b[0;31m         \u001b[0;32mreturn\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_retryable_non_cursor_read\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0m_cmd\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0msession\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   1812\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m   1813\u001b[0m     \u001b[0;32mdef\u001b[0m \u001b[0m_retryable_non_cursor_read\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mfunc\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0msession\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[0;32m~/.local/lib/python3.6/site-packages/pymongo/collection.py\u001b[0m in \u001b[0;36m_retryable_non_cursor_read\u001b[0;34m(self, func, session)\u001b[0m\n\u001b[1;32m   1814\u001b[0m         \u001b[0;34m\"\"\"Non-cursor read helper to handle implicit session creation.\"\"\"\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m   1815\u001b[0m         \u001b[0mclient\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m__database\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mclient\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m-> 1816\u001b[0;31m         \u001b[0;32mwith\u001b[0m \u001b[0mclient\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_tmp_session\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0msession\u001b[0m\u001b[0;34m)\u001b[0m \u001b[0;32mas\u001b[0m \u001b[0ms\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   1817\u001b[0m             \u001b[0;32mreturn\u001b[0m \u001b[0mclient\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_retryable_read\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mfunc\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_read_preference_for\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0ms\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0ms\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m   1818\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n",
-      "\u001b[0;32m/usr/lib/python3.6/contextlib.py\u001b[0m in \u001b[0;36m__enter__\u001b[0;34m(self)\u001b[0m\n\u001b[1;32m     79\u001b[0m     \u001b[0;32mdef\u001b[0m \u001b[0m__enter__\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mself\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     80\u001b[0m         \u001b[0;32mtry\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m---> 81\u001b[0;31m             \u001b[0;32mreturn\u001b[0m \u001b[0mnext\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mgen\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     82\u001b[0m         \u001b[0;32mexcept\u001b[0m \u001b[0mStopIteration\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m     83\u001b[0m             \u001b[0;32mraise\u001b[0m \u001b[0mRuntimeError\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m\"generator didn't yield\"\u001b[0m\u001b[0;34m)\u001b[0m \u001b[0;32mfrom\u001b[0m \u001b[0;32mNone\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
-      "\u001b[0;32m~/.local/lib/python3.6/site-packages/pymongo/mongo_client.py\u001b[0m in \u001b[0;36m_tmp_session\u001b[0;34m(self, session, close)\u001b[0m\n\u001b[1;32m   1674\u001b[0m             \u001b[0;32mreturn\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m   1675\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m-> 1676\u001b[0;31m         \u001b[0ms\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_ensure_session\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0msession\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   1677\u001b[0m         \u001b[0;32mif\u001b[0m \u001b[0ms\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m   1678\u001b[0m             \u001b[0;32mtry\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
-      "\u001b[0;32m~/.local/lib/python3.6/site-packages/pymongo/mongo_client.py\u001b[0m in \u001b[0;36m_ensure_session\u001b[0;34m(self, session)\u001b[0m\n\u001b[1;32m   1661\u001b[0m             \u001b[0;31m# Don't make implicit sessions causally consistent. Applications\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m   1662\u001b[0m             \u001b[0;31m# should always opt-in.\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m-> 1663\u001b[0;31m             \u001b[0;32mreturn\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m__start_session\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;32mTrue\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mcausal_consistency\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0;32mFalse\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   1664\u001b[0m         \u001b[0;32mexcept\u001b[0m \u001b[0;34m(\u001b[0m\u001b[0mConfigurationError\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mInvalidOperation\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   1665\u001b[0m             \u001b[0;31m# Sessions not supported.\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
-      "\u001b[0;32m~/.local/lib/python3.6/site-packages/pymongo/mongo_client.py\u001b[0m in \u001b[0;36m__start_session\u001b[0;34m(self, implicit, **kwargs)\u001b[0m\n\u001b[1;32m   1606\u001b[0m         \u001b[0;31m# Raises ConfigurationError if sessions are not supported.\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m   1607\u001b[0m         \u001b[0;32mif\u001b[0m \u001b[0mimplicit\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m-> 1608\u001b[0;31m             \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_topology\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_check_implicit_session_support\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[0m\u001b[1;32m   1609\u001b[0m             \u001b[0mserver_session\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0m_EmptyServerSession\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   1610\u001b[0m         \u001b[0;32melse\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
-      "\u001b[0;32m~/.local/lib/python3.6/site-packages/pymongo/topology.py\u001b[0m in \u001b[0;36m_check_implicit_session_support\u001b[0;34m(self)\u001b[0m\n\u001b[1;32m    517\u001b[0m     \u001b[0;32mdef\u001b[0m \u001b[0m_check_implicit_session_support\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mself\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    518\u001b[0m         \u001b[0;32mwith\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_lock\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 519\u001b[0;31m             \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_check_session_support\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[0m\u001b[1;32m    520\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    521\u001b[0m     \u001b[0;32mdef\u001b[0m \u001b[0m_check_session_support\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mself\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[0;32m~/.local/lib/python3.6/site-packages/pymongo/topology.py\u001b[0m in \u001b[0;36m_check_session_support\u001b[0;34m(self)\u001b[0m\n\u001b[1;32m    534\u001b[0m             \u001b[0;32melif\u001b[0m \u001b[0;32mnot\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_description\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mreadable_servers\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    535\u001b[0m                 self._select_servers_loop(\n\u001b[0;32m--> 536\u001b[0;31m                     \u001b[0mreadable_server_selector\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_settings\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mserver_selection_timeout\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0;32mNone\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m    537\u001b[0m                 )\n\u001b[1;32m    538\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n",
-      "\u001b[0;32m~/.local/lib/python3.6/site-packages/pymongo/topology.py\u001b[0m in \u001b[0;36m_select_servers_loop\u001b[0;34m(self, selector, timeout, address)\u001b[0m\n\u001b[1;32m    227\u001b[0m                 raise ServerSelectionTimeoutError(\n\u001b[1;32m    228\u001b[0m                     \u001b[0;34m\"%s, Timeout: %ss, Topology Description: %r\"\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 229\u001b[0;31m                     \u001b[0;34m%\u001b[0m \u001b[0;34m(\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_error_message\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mselector\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mtimeout\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mdescription\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    230\u001b[0m                 )\n\u001b[1;32m    231\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n",
-      "\u001b[0;31mServerSelectionTimeoutError\u001b[0m: localhost:27017: [Errno 111] Connection refused, Timeout: 30s, Topology Description: <TopologyDescription id: 6266603d3269f60a67f61383, topology_type: Unknown, servers: [<ServerDescription ('localhost', 27017) server_type: Unknown, rtt: None, error=AutoReconnect('localhost:27017: [Errno 111] Connection refused',)>]>"
+      "ERROR - sacred_scopes - Failed after 0:00:30!\n"
      ]
     }
    ],
@@ -1546,9 +1438,9 @@
     "from sacred import Experiment\n",
     "\n",
     "ex = Experiment(\"sacred_scopes\", interactive=True)\n",
-    "ex.observers.append(MongoObserver(url='mongodb://mongo_user:mongo_password@localhost:27017',\n",
+    "ex.observers.append(MongoObserver(url='mongodb://admin:IUM_2021@172.17.0.1:27017',\n",
     "                                  db_name='sacred'))  # Tutaj podajemy dane uwierzytelniające i nazwę bazy skonfigurowane w pliku .env podczas uruchamiania bazy.\n",
-    "# W przypadku instancji na Jenkinsie url będzie wyglądał następująco: mongodb://mongo_user:mongo_password_IUM_2021@localhost:27017\n",
+    "# W przypadku instancji na Jenkinsie url będzie wyglądał następująco: mongodb://admin:IUM_2021@172.17.0.1:27017\n",
     "@ex.config\n",
     "def my_config():\n",
     "    recipient = \"Świecie\"\n",
@@ -1596,46 +1488,13 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 192,
+   "execution_count": null,
    "metadata": {
     "slideshow": {
      "slide_type": "slide"
     }
    },
-   "outputs": [
-    {
-     "name": "stderr",
-     "output_type": "stream",
-     "text": [
-      "INFO - sacred_scopes - Running command 'my_main'\n",
-      "INFO - sacred_scopes - Started run with ID \"9\"\n"
-     ]
-    },
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "Witaj Świecie!\n"
-     ]
-    },
-    {
-     "name": "stderr",
-     "output_type": "stream",
-     "text": [
-      "INFO - sacred_scopes - Completed after 0:00:50\n"
-     ]
-    },
-    {
-     "data": {
-      "text/plain": [
-       "<sacred.run.Run at 0x7f423c2de550>"
-      ]
-     },
-     "execution_count": 192,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
+   "outputs": [],
    "source": [
     "from sacred.observers import MongoObserver\n",
     "from sacred import Experiment\n",
@@ -1643,9 +1502,9 @@
     "import time\n",
     "\n",
     "ex = Experiment(\"sacred_scopes\", interactive=True)\n",
-    "ex.observers.append(MongoObserver(url='mongodb://mongo_user:mongo_password@localhost:27017',\n",
+    "ex.observers.append(MongoObserver(url='mongodb://admin:IUM_2021@172.17.0.1:27017',\n",
     "                                  db_name='sacred'))  # Tutaj podajemy dane uwierzytelniające i nazwę bazy skonfigurowane w pliku .env podczas uruchamiania bazy.\n",
-    "# W przypadku instancji na Jenkinsie url będzie wyglądał następująco: mongodb://mongo_user:mongo_password_IUM_2021@localhost:27017\n",
+    "# W przypadku instancji na Jenkinsie url będzie wyglądał następująco: mongodb://admin:IUM_2021@172.17.0.1:27017\n",
     "@ex.config\n",
     "def my_config():\n",
     "    recipient = \"Świecie\"\n",
diff --git a/IUM_07/Dockerfile b/IUM_07/Dockerfile
new file mode 100644
index 0000000..a301308
--- /dev/null
+++ b/IUM_07/Dockerfile
@@ -0,0 +1,9 @@
+FROM ubuntu:latest
+
+RUN apt update && apt install -y \
+	git \
+	python3-pip \
+	python3
+
+RUN python3 -m pip install sacred pymongo
+
diff --git a/IUM_07/Jenkinsfile b/IUM_07/Jenkinsfile
new file mode 100644
index 0000000..af18b7d
--- /dev/null
+++ b/IUM_07/Jenkinsfile
@@ -0,0 +1,13 @@
+  node {
+      checkout scm
+      //Pierwszy argument to tag, który zostania nadany zbudowanemu obrazowi
+      //Jeśli chcemy użyć Dockerfile z innej ścieżki niż ./Dockerfile, możemy ją podać jako drugi argument
+      def testImage = docker.build("sacred_pymongo", "./IUM_07/") 
+
+      //Wszystkie polecenia poniżej wykonają się w kontenerze, z podmontowanym Workspace Jenkinsa
+      testImage.inside {
+        dir ("IUM_07"){
+		sh 'python3 mongo_observer.py'
+	}
+      }
+  }
diff --git a/IUM_07/mongo_observer.py b/IUM_07/mongo_observer.py
new file mode 100644
index 0000000..27606ed
--- /dev/null
+++ b/IUM_07/mongo_observer.py
@@ -0,0 +1,39 @@
+from sacred.observers import MongoObserver
+from sacred import Experiment
+import random
+import time
+
+ex = Experiment("sacred_scopes", interactive=True)
+
+ex.observers.append(MongoObserver(url='mongodb://admin:IUM_2021@172.17.0.1:27017', db_name='sacred'))
+#ex.observers.append(MongoObserver(url='mongodb://mongo_user:mongo_password@localhost:27017',
+ #                                 db_name='sacred'))  # Tutaj podajemy dane uwierzytelniające i nazwę bazy skonfigurowane w pliku .env podczas uruchamiania bazy.
+# W przypadku instancji na Jenkinsie url będzie wyglądał następująco: mongodb://mongo_user:mongo_password_IUM_2021@localhost:27017
+@ex.config
+def my_config():
+    recipient = "Świecie"
+    greeting = "Witaj"
+
+@ex.capture
+def prepare_message(recipient, greeting):
+    return "{0} {1}!".format(greeting, recipient)
+
+@ex.main
+def my_main(recipient, greeting, _run):
+    print(prepare_message()) ## Nie musimy przekazywać wartości  
+    counter = 0
+    while counter < 20:
+        counter+=1
+        value = counter
+        ms_to_wait = random.randint(5, 5000)
+        time.sleep(ms_to_wait/1000)
+        noise = 1.0 + 0.1 * (random.randint(0, 10) - 5)
+        # This will add an entry for training.loss metric in every second iteration.
+        # The resulting sequence of steps for training.loss will be 0, 2, 4, ...
+        if counter % 2 == 0:
+           _run.log_scalar("training.loss", value * 1.5 * noise, counter)
+        # Implicit step counter (0, 1, 2, 3, ...)
+        # incremented with each call for training.accuracy:
+        _run.log_scalar("training.accuracy", value * 2 * noise)
+
+ex.run()    
diff --git a/IUM_08.MLFlow.ipynb b/IUM_08.MLFlow.ipynb
index 9efe928..1c5e669 100644
--- a/IUM_08.MLFlow.ipynb
+++ b/IUM_08.MLFlow.ipynb
@@ -8,11 +8,11 @@
     }
    },
    "source": [
-    "![Logo 1](https://git.wmi.amu.edu.pl/AITech/Szablon/raw/branch/master/Logotyp_AITech1.jpg)\n",
+    "## ![Logo 1](https://git.wmi.amu.edu.pl/AITech/Szablon/raw/branch/master/Logotyp_AITech1.jpg)\n",
     "<div class=\"alert alert-block alert-info\">\n",
     "<h1> Inżynieria uczenia maszynowego </h1>\n",
     "<h2> 8. <i>MLFlow</i>  [laboratoria]</h2> \n",
-    "<h3> Tomasz Ziętkiewicz (2022)</h3>\n",
+    "<h3> Tomasz Ziętkiewicz (2023)</h3>\n",
     "</div>\n",
     "\n",
     "![Logo 2](https://git.wmi.amu.edu.pl/AITech/Szablon/raw/branch/master/Logotyp_AITech2.jpg)"
@@ -73,7 +73,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 1,
+   "execution_count": 2,
    "metadata": {
     "slideshow": {
      "slide_type": "slide"
@@ -88,7 +88,16 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 80,
+   "execution_count": 2,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "!mkdir -p IUM_08/examples/sklearn_elasticnet_wine/"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 4,
    "metadata": {
     "slideshow": {
      "slide_type": "slide"
@@ -190,6 +199,7 @@
     "        mlflow.log_metric(\"mae\", mae)\n",
     "        \n",
     "        # Infer model signature to log it\n",
+    "        # Więcej o sygnaturach: https://mlflow.org/docs/latest/models.html?highlight=signature#model-signature\n",
     "        signature = mlflow.models.signature.infer_signature(train_x, lr.predict(train_x))\n",
     "\n",
     "        tracking_url_type_store = urlparse(mlflow.get_tracking_uri()).scheme\n",
@@ -948,7 +958,7 @@
    "source": [
     "# Zadania [10p pkt]\n",
     "1. Dodaj do swojego projektu logowanie parametrów i metryk za pomocą MLflow (polecenia `mlflow.log_param` i `mlflow.log_metric`\n",
-    "2. Dodaj plik MLProject definiujący polecenia do trenowania i testowania, ich parametry wywołania oraz środowisko (użyj zdefiniowanego wcześniej obrazu Docker)"
+    "2. Dodaj plik MLProject definiujący polecenia do trenowania i testowania, ich parametry wywołania oraz środowisko (Conda albo Docker)"
    ]
   },
   {
@@ -1390,7 +1400,7 @@
     }
    },
    "source": [
-    "## Zadania\n",
+    "## Zadania (termin: 14.05 EOD) \n",
     "1. [2 pkt] Dodaj do joba treningowego wywołania MLflow, tak, żeby przy każdym uruchomieniu stworzyć i zarchiwizować katalog z modelem. Plik MLmodel powinien zawierać pola:\n",
     " - signature\n",
     " - input_example\n",
@@ -1425,6 +1435,10 @@
     "   - CLI: `export MLFLOW_TRACKING_URI=http://172.17.0.1:5000`\n",
     "   \n",
     "- Żeby klient MLflow działający w kontenerze docker mógł zapisywać i pdczytywać artefakty, muszą Państwo podmonotwać katalog `/tmp/mlruns` i `/mlruns` (ten drugi po to, żeby po restarcie serwera katalog nie został wyczyszczony)\n",
+    "   - jak podmontować: ```docker.image('my-image').inside('-v /tmp/mlruns:/tmp/mlruns' -v /mlruns:/mlruns')```\n",
+    "   - Przykład działąjącego joba na Jenkinsie zapisującego wyniki do MLFlow: https://tzietkiewicz.vm.wmi.amu.edu.pl:8081/job/gitea-test/job/ium-helloworld/job/master/\n",
+    "   - Repo: https://git.wmi.amu.edu.pl/tzietkiewicz/ium-helloworld/src/branch/master\n",
+    "\n",
     "- Proszę ustawić nazwę eksperymentu na numer indeksu, dzięki temu każdy z Państwa będzie widział swoje eksperymenty oddzielnie:\n",
     "`mlflow.set_experiment(\"s123456\")`"
    ]
@@ -1435,7 +1449,7 @@
   "celltoolbar": "Slideshow",
   "email": "tomasz.zietkiewicz@amu.edu.pl",
   "kernelspec": {
-   "display_name": "Python 3 (ipykernel)",
+   "display_name": "Python 3",
    "language": "python",
    "name": "python3"
   },
@@ -1450,7 +1464,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.10.4"
+   "version": "3.9.12"
   },
   "slideshow": {
    "slide_type": "slide"