diff --git a/src/HowBadIsMyBatch.nbconvert.ipynb b/src/HowBadIsMyBatch.nbconvert.ipynb
index 680c91bbb90..51a488bb25c 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": "2023-01-24T17:35:12.681536Z",
-     "iopub.status.busy": "2023-01-24T17:35:12.681033Z",
-     "iopub.status.idle": "2023-01-24T17:35:14.561725Z",
-     "shell.execute_reply": "2023-01-24T17:35:14.560457Z"
+     "iopub.execute_input": "2023-01-25T17:35:18.191694Z",
+     "iopub.status.busy": "2023-01-25T17:35:18.191478Z",
+     "iopub.status.idle": "2023-01-25T17:35:20.067898Z",
+     "shell.execute_reply": "2023-01-25T17:35:20.067342Z"
     }
    },
    "outputs": [
@@ -17,11 +17,11 @@
      "name": "stderr",
      "output_type": "stream",
      "text": [
-      "2023-01-24 17:35:13.048883: 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",
+      "2023-01-25 17:35:18.547861: 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",
-      "2023-01-24 17:35:14.442532: 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",
+      "2023-01-25 17:35:19.948759: 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",
-      "2023-01-24 17:35:14.443727: 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"
+      "2023-01-25 17:35:19.950442: 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": "2023-01-24T17:35:14.564768Z",
-     "iopub.status.busy": "2023-01-24T17:35:14.564543Z",
-     "iopub.status.idle": "2023-01-24T17:35:14.571487Z",
-     "shell.execute_reply": "2023-01-24T17:35:14.569454Z"
+     "iopub.execute_input": "2023-01-25T17:35:20.070771Z",
+     "iopub.status.busy": "2023-01-25T17:35:20.070350Z",
+     "iopub.status.idle": "2023-01-25T17:35:20.076018Z",
+     "shell.execute_reply": "2023-01-25T17:35:20.075488Z"
     }
    },
    "outputs": [
@@ -57,7 +57,7 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "24.01.2023, 17:35:14 Uhr\n"
+      "25.01.2023, 17:35:20 Uhr\n"
      ]
     }
    ],
@@ -71,10 +71,10 @@
    "id": "ffad1c04",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-01-24T17:35:14.574648Z",
-     "iopub.status.busy": "2023-01-24T17:35:14.574223Z",
-     "iopub.status.idle": "2023-01-24T17:35:14.908766Z",
-     "shell.execute_reply": "2023-01-24T17:35:14.908035Z"
+     "iopub.execute_input": "2023-01-25T17:35:20.078848Z",
+     "iopub.status.busy": "2023-01-25T17:35:20.078527Z",
+     "iopub.status.idle": "2023-01-25T17:35:20.675479Z",
+     "shell.execute_reply": "2023-01-25T17:35:20.674726Z"
     }
    },
    "outputs": [
@@ -102,10 +102,10 @@
    "id": "194b7357",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-01-24T17:35:14.911953Z",
-     "iopub.status.busy": "2023-01-24T17:35:14.911599Z",
-     "iopub.status.idle": "2023-01-24T17:35:14.915049Z",
-     "shell.execute_reply": "2023-01-24T17:35:14.914556Z"
+     "iopub.execute_input": "2023-01-25T17:35:20.678595Z",
+     "iopub.status.busy": "2023-01-25T17:35:20.678105Z",
+     "iopub.status.idle": "2023-01-25T17:35:20.683100Z",
+     "shell.execute_reply": "2023-01-25T17:35:20.682533Z"
     }
    },
    "outputs": [],
@@ -119,10 +119,10 @@
    "id": "a793dff0",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-01-24T17:35:14.917540Z",
-     "iopub.status.busy": "2023-01-24T17:35:14.917163Z",
-     "iopub.status.idle": "2023-01-24T17:37:07.941328Z",
-     "shell.execute_reply": "2023-01-24T17:37:07.940626Z"
+     "iopub.execute_input": "2023-01-25T17:35:20.685616Z",
+     "iopub.status.busy": "2023-01-25T17:35:20.685241Z",
+     "iopub.status.idle": "2023-01-25T17:39:24.067361Z",
+     "shell.execute_reply": "2023-01-25T17:39:24.066702Z"
     }
    },
    "outputs": [
@@ -130,7 +130,7 @@
      "name": "stderr",
      "output_type": "stream",
      "text": [
-      "[WDM] - Downloading: 100%|██████████| 6.96M/6.96M [00:00<00:00, 116MB/s]\n"
+      "[WDM] - Downloading: 100%|██████████| 6.96M/6.96M [00:00<00:00, 33.7MB/s]\n"
      ]
     },
     {
@@ -172,15 +172,15 @@
       "Non-trainable params: 0\n",
       "_________________________________________________________________\n",
       "1/1 [==============================] - 1s 1s/step\n",
-      "textInCaptchaImage: D32303\n",
-      "1/1 [==============================] - 0s 37ms/step\n",
-      "textInCaptchaImage: 777Cb6\n",
+      "textInCaptchaImage: 102Ab9\n",
       "1/1 [==============================] - 0s 33ms/step\n",
-      "textInCaptchaImage: A5847e\n",
-      "1/1 [==============================] - 0s 37ms/step\n",
-      "textInCaptchaImage: 59C5e1\n",
-      "1/1 [==============================] - 0s 31ms/step\n",
-      "textInCaptchaImage: 4C1181\n"
+      "textInCaptchaImage: bC7bC9\n",
+      "1/1 [==============================] - 0s 30ms/step\n",
+      "textInCaptchaImage: 1B6a86\n",
+      "1/1 [==============================] - 0s 30ms/step\n",
+      "textInCaptchaImage: d85Bd1\n",
+      "1/1 [==============================] - 0s 33ms/step\n",
+      "textInCaptchaImage: ccD499\n"
      ]
     }
    ],
@@ -196,10 +196,10 @@
    "id": "781ac80e",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-01-24T17:37:07.944781Z",
-     "iopub.status.busy": "2023-01-24T17:37:07.944411Z",
-     "iopub.status.idle": "2023-01-24T17:37:36.723756Z",
-     "shell.execute_reply": "2023-01-24T17:37:36.722977Z"
+     "iopub.execute_input": "2023-01-25T17:39:24.070765Z",
+     "iopub.status.busy": "2023-01-25T17:39:24.070193Z",
+     "iopub.status.idle": "2023-01-25T17:39:51.163059Z",
+     "shell.execute_reply": "2023-01-25T17:39:51.161858Z"
     }
    },
    "outputs": [
@@ -499,10 +499,10 @@
    "id": "8d6507ca",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-01-24T17:37:36.726814Z",
-     "iopub.status.busy": "2023-01-24T17:37:36.726437Z",
-     "iopub.status.idle": "2023-01-24T17:37:36.993394Z",
-     "shell.execute_reply": "2023-01-24T17:37:36.992713Z"
+     "iopub.execute_input": "2023-01-25T17:39:51.165851Z",
+     "iopub.status.busy": "2023-01-25T17:39:51.165455Z",
+     "iopub.status.idle": "2023-01-25T17:39:51.648580Z",
+     "shell.execute_reply": "2023-01-25T17:39:51.647899Z"
     }
    },
    "outputs": [],
@@ -516,10 +516,10 @@
    "id": "0915aa5a",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-01-24T17:37:36.997055Z",
-     "iopub.status.busy": "2023-01-24T17:37:36.996627Z",
-     "iopub.status.idle": "2023-01-24T17:37:53.988055Z",
-     "shell.execute_reply": "2023-01-24T17:37:53.987317Z"
+     "iopub.execute_input": "2023-01-25T17:39:51.651859Z",
+     "iopub.status.busy": "2023-01-25T17:39:51.651497Z",
+     "iopub.status.idle": "2023-01-25T17:40:07.914719Z",
+     "shell.execute_reply": "2023-01-25T17:40:07.914059Z"
     }
    },
    "outputs": [