diff --git a/src/HowBadIsMyBatch.nbconvert.ipynb b/src/HowBadIsMyBatch.nbconvert.ipynb
index f3935220cd2..01bb9490e5f 100644
--- a/src/HowBadIsMyBatch.nbconvert.ipynb
+++ b/src/HowBadIsMyBatch.nbconvert.ipynb
@@ -6,10 +6,10 @@
    "id": "9de5907f-18f5-4cb1-903e-26028ff1fa03",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-01-29T17:35:15.707620Z",
-     "iopub.status.busy": "2023-01-29T17:35:15.707403Z",
-     "iopub.status.idle": "2023-01-29T17:35:17.582831Z",
-     "shell.execute_reply": "2023-01-29T17:35:17.582189Z"
+     "iopub.execute_input": "2023-01-30T17:35:07.256320Z",
+     "iopub.status.busy": "2023-01-30T17:35:07.255874Z",
+     "iopub.status.idle": "2023-01-30T17:35:09.018582Z",
+     "shell.execute_reply": "2023-01-30T17:35:09.018062Z"
     }
    },
    "outputs": [
@@ -17,11 +17,11 @@
      "name": "stderr",
      "output_type": "stream",
      "text": [
-      "2023-01-29 17:35:16.073202: I tensorflow/core/platform/cpu_feature_guard.cc:193] This TensorFlow binary is optimized with oneAPI Deep Neural Network Library (oneDNN) to use the following CPU instructions in performance-critical operations:  SSE4.1 SSE4.2 AVX AVX2 AVX512F FMA\n",
+      "2023-01-30 17:35:07.609161: I tensorflow/core/platform/cpu_feature_guard.cc:193] This TensorFlow binary is optimized with oneAPI Deep Neural Network Library (oneDNN) to use the following CPU instructions in performance-critical operations:  SSE4.1 SSE4.2 AVX AVX2 AVX512F FMA\n",
       "To enable them in other operations, rebuild TensorFlow with the appropriate compiler flags.\n",
-      "2023-01-29 17:35:17.460146: I tensorflow/core/platform/cpu_feature_guard.cc:193] This TensorFlow binary is optimized with oneAPI Deep Neural Network Library (oneDNN) to use the following CPU instructions in performance-critical operations:  SSE4.1 SSE4.2 AVX AVX2 AVX512F FMA\n",
+      "2023-01-30 17:35:08.902625: I tensorflow/core/platform/cpu_feature_guard.cc:193] This TensorFlow binary is optimized with oneAPI Deep Neural Network Library (oneDNN) to use the following CPU instructions in performance-critical operations:  SSE4.1 SSE4.2 AVX AVX2 AVX512F FMA\n",
       "To enable them in other operations, rebuild TensorFlow with the appropriate compiler flags.\n",
-      "2023-01-29 17:35:17.461927: I tensorflow/core/common_runtime/process_util.cc:146] Creating new thread pool with default inter op setting: 2. Tune using inter_op_parallelism_threads for best performance.\n"
+      "2023-01-30 17:35:08.904118: I tensorflow/core/common_runtime/process_util.cc:146] Creating new thread pool with default inter op setting: 2. Tune using inter_op_parallelism_threads for best performance.\n"
      ]
     }
    ],
@@ -46,10 +46,10 @@
    "id": "d1e4fa9e",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-01-29T17:35:17.586158Z",
-     "iopub.status.busy": "2023-01-29T17:35:17.585477Z",
-     "iopub.status.idle": "2023-01-29T17:35:17.590690Z",
-     "shell.execute_reply": "2023-01-29T17:35:17.590076Z"
+     "iopub.execute_input": "2023-01-30T17:35:09.021331Z",
+     "iopub.status.busy": "2023-01-30T17:35:09.020847Z",
+     "iopub.status.idle": "2023-01-30T17:35:09.028059Z",
+     "shell.execute_reply": "2023-01-30T17:35:09.027012Z"
     }
    },
    "outputs": [
@@ -57,7 +57,7 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "29.01.2023, 17:35:17 Uhr\n"
+      "30.01.2023, 17:35:09 Uhr\n"
      ]
     }
    ],
@@ -71,10 +71,10 @@
    "id": "ffad1c04",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-01-29T17:35:17.593649Z",
-     "iopub.status.busy": "2023-01-29T17:35:17.593226Z",
-     "iopub.status.idle": "2023-01-29T17:35:17.835060Z",
-     "shell.execute_reply": "2023-01-29T17:35:17.834439Z"
+     "iopub.execute_input": "2023-01-30T17:35:09.031014Z",
+     "iopub.status.busy": "2023-01-30T17:35:09.030718Z",
+     "iopub.status.idle": "2023-01-30T17:35:09.626758Z",
+     "shell.execute_reply": "2023-01-30T17:35:09.626155Z"
     }
    },
    "outputs": [
@@ -102,10 +102,10 @@
    "id": "194b7357",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-01-29T17:35:17.838390Z",
-     "iopub.status.busy": "2023-01-29T17:35:17.837867Z",
-     "iopub.status.idle": "2023-01-29T17:35:17.842771Z",
-     "shell.execute_reply": "2023-01-29T17:35:17.842186Z"
+     "iopub.execute_input": "2023-01-30T17:35:09.629328Z",
+     "iopub.status.busy": "2023-01-30T17:35:09.629014Z",
+     "iopub.status.idle": "2023-01-30T17:35:09.632112Z",
+     "shell.execute_reply": "2023-01-30T17:35:09.631594Z"
     }
    },
    "outputs": [],
@@ -119,10 +119,10 @@
    "id": "a793dff0",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-01-29T17:35:17.845550Z",
-     "iopub.status.busy": "2023-01-29T17:35:17.845230Z",
-     "iopub.status.idle": "2023-01-29T17:37:00.627551Z",
-     "shell.execute_reply": "2023-01-29T17:37:00.626820Z"
+     "iopub.execute_input": "2023-01-30T17:35:09.634880Z",
+     "iopub.status.busy": "2023-01-30T17:35:09.634586Z",
+     "iopub.status.idle": "2023-01-30T17:40:13.619734Z",
+     "shell.execute_reply": "2023-01-30T17:40:13.619122Z"
     }
    },
    "outputs": [
@@ -130,7 +130,7 @@
      "name": "stderr",
      "output_type": "stream",
      "text": [
-      "[WDM] - Downloading: 100%|██████████| 6.96M/6.96M [00:00<00:00, 169MB/s]\n"
+      "[WDM] - Downloading: 100%|██████████| 6.96M/6.96M [00:00<00:00, 75.2MB/s]\n"
      ]
     },
     {
@@ -172,15 +172,15 @@
       "Non-trainable params: 0\n",
       "_________________________________________________________________\n",
       "1/1 [==============================] - 1s 1s/step\n",
-      "textInCaptchaImage: 2A35Db\n",
-      "1/1 [==============================] - 0s 38ms/step\n",
-      "textInCaptchaImage: C822e5\n",
+      "textInCaptchaImage: 31F7Ed\n",
+      "1/1 [==============================] - 0s 33ms/step\n",
+      "textInCaptchaImage: 150Ead\n",
       "1/1 [==============================] - 0s 35ms/step\n",
-      "textInCaptchaImage: E7351A\n",
-      "1/1 [==============================] - 0s 30ms/step\n",
-      "textInCaptchaImage: D560E2\n",
-      "1/1 [==============================] - 0s 37ms/step\n",
-      "textInCaptchaImage: 45B709\n"
+      "textInCaptchaImage: F5b7f2\n",
+      "1/1 [==============================] - 0s 35ms/step\n",
+      "textInCaptchaImage: BbF988\n",
+      "1/1 [==============================] - 0s 38ms/step\n",
+      "textInCaptchaImage: fac734\n"
      ]
     }
    ],
@@ -196,10 +196,10 @@
    "id": "781ac80e",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-01-29T17:37:00.631331Z",
-     "iopub.status.busy": "2023-01-29T17:37:00.630943Z",
-     "iopub.status.idle": "2023-01-29T17:37:28.968810Z",
-     "shell.execute_reply": "2023-01-29T17:37:28.968030Z"
+     "iopub.execute_input": "2023-01-30T17:40:13.622957Z",
+     "iopub.status.busy": "2023-01-30T17:40:13.622527Z",
+     "iopub.status.idle": "2023-01-30T17:40:39.613357Z",
+     "shell.execute_reply": "2023-01-30T17:40:39.612811Z"
     }
    },
    "outputs": [
@@ -499,10 +499,10 @@
    "id": "8d6507ca",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-01-29T17:37:28.971954Z",
-     "iopub.status.busy": "2023-01-29T17:37:28.971484Z",
-     "iopub.status.idle": "2023-01-29T17:37:29.246038Z",
-     "shell.execute_reply": "2023-01-29T17:37:29.244529Z"
+     "iopub.execute_input": "2023-01-30T17:40:39.616312Z",
+     "iopub.status.busy": "2023-01-30T17:40:39.615985Z",
+     "iopub.status.idle": "2023-01-30T17:40:40.114687Z",
+     "shell.execute_reply": "2023-01-30T17:40:40.114096Z"
     }
    },
    "outputs": [],
@@ -516,10 +516,10 @@
    "id": "0915aa5a",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-01-29T17:37:29.249356Z",
-     "iopub.status.busy": "2023-01-29T17:37:29.248988Z",
-     "iopub.status.idle": "2023-01-29T17:37:46.503751Z",
-     "shell.execute_reply": "2023-01-29T17:37:46.502663Z"
+     "iopub.execute_input": "2023-01-30T17:40:40.118000Z",
+     "iopub.status.busy": "2023-01-30T17:40:40.117484Z",
+     "iopub.status.idle": "2023-01-30T17:40:54.451164Z",
+     "shell.execute_reply": "2023-01-30T17:40:54.450549Z"
     }
    },
    "outputs": [