diff --git a/src/HowBadIsMyBatch.nbconvert.ipynb b/src/HowBadIsMyBatch.nbconvert.ipynb
index 093ed0d4a20..ea5a892ff56 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": "2023-01-26T17:35:06.918431Z",
-     "iopub.status.busy": "2023-01-26T17:35:06.918006Z",
-     "iopub.status.idle": "2023-01-26T17:35:08.905969Z",
-     "shell.execute_reply": "2023-01-26T17:35:08.904728Z"
+     "iopub.execute_input": "2023-01-27T17:35:13.621717Z",
+     "iopub.status.busy": "2023-01-27T17:35:13.621506Z",
+     "iopub.status.idle": "2023-01-27T17:35:15.708635Z",
+     "shell.execute_reply": "2023-01-27T17:35:15.707900Z"
     }
    },
    "outputs": [
@@ -17,11 +17,11 @@
      "name": "stderr",
      "output_type": "stream",
      "text": [
-      "2023-01-26 17:35:07.312254: 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",
+      "2023-01-27 17:35:14.040084: 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",
-      "2023-01-26 17:35:08.776143: 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",
+      "2023-01-27 17:35:15.560511: 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",
-      "2023-01-26 17:35:08.777381: 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"
+      "2023-01-27 17:35:15.567799: 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": "2023-01-26T17:35:08.909136Z",
-     "iopub.status.busy": "2023-01-26T17:35:08.908775Z",
-     "iopub.status.idle": "2023-01-26T17:35:08.914789Z",
-     "shell.execute_reply": "2023-01-26T17:35:08.914173Z"
+     "iopub.execute_input": "2023-01-27T17:35:15.712258Z",
+     "iopub.status.busy": "2023-01-27T17:35:15.711699Z",
+     "iopub.status.idle": "2023-01-27T17:35:15.717896Z",
+     "shell.execute_reply": "2023-01-27T17:35:15.717165Z"
     }
    },
    "outputs": [
@@ -57,7 +57,7 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "26.01.2023, 17:35:08 Uhr\n"
+      "27.01.2023, 17:35:15 Uhr\n"
      ]
     }
    ],
@@ -71,10 +71,10 @@
    "id": "ffad1c04",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-01-26T17:35:08.918199Z",
-     "iopub.status.busy": "2023-01-26T17:35:08.917748Z",
-     "iopub.status.idle": "2023-01-26T17:35:09.387800Z",
-     "shell.execute_reply": "2023-01-26T17:35:09.387223Z"
+     "iopub.execute_input": "2023-01-27T17:35:15.720873Z",
+     "iopub.status.busy": "2023-01-27T17:35:15.720647Z",
+     "iopub.status.idle": "2023-01-27T17:35:16.372107Z",
+     "shell.execute_reply": "2023-01-27T17:35:16.371379Z"
     }
    },
    "outputs": [
@@ -102,10 +102,10 @@
    "id": "194b7357",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-01-26T17:35:09.390831Z",
-     "iopub.status.busy": "2023-01-26T17:35:09.390454Z",
-     "iopub.status.idle": "2023-01-26T17:35:09.393780Z",
-     "shell.execute_reply": "2023-01-26T17:35:09.393275Z"
+     "iopub.execute_input": "2023-01-27T17:35:16.375643Z",
+     "iopub.status.busy": "2023-01-27T17:35:16.375249Z",
+     "iopub.status.idle": "2023-01-27T17:35:16.379069Z",
+     "shell.execute_reply": "2023-01-27T17:35:16.378470Z"
     }
    },
    "outputs": [],
@@ -119,10 +119,10 @@
    "id": "a793dff0",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-01-26T17:35:09.396766Z",
-     "iopub.status.busy": "2023-01-26T17:35:09.396417Z",
-     "iopub.status.idle": "2023-01-26T17:38:22.248849Z",
-     "shell.execute_reply": "2023-01-26T17:38:22.248161Z"
+     "iopub.execute_input": "2023-01-27T17:35:16.382228Z",
+     "iopub.status.busy": "2023-01-27T17:35:16.381749Z",
+     "iopub.status.idle": "2023-01-27T17:40:56.352874Z",
+     "shell.execute_reply": "2023-01-27T17:40:56.351359Z"
     }
    },
    "outputs": [
@@ -130,7 +130,7 @@
      "name": "stderr",
      "output_type": "stream",
      "text": [
-      "[WDM] - Downloading: 100%|██████████| 6.96M/6.96M [00:00<00:00, 74.9MB/s]\n"
+      "[WDM] - Downloading: 100%|██████████| 6.96M/6.96M [00:00<00:00, 124MB/s]\n"
      ]
     },
     {
@@ -172,15 +172,15 @@
       "Non-trainable params: 0\n",
       "_________________________________________________________________\n",
       "1/1 [==============================] - 1s 1s/step\n",
-      "textInCaptchaImage: 88BB47\n",
-      "1/1 [==============================] - 0s 38ms/step\n",
-      "textInCaptchaImage: 822040\n",
-      "1/1 [==============================] - 0s 39ms/step\n",
-      "textInCaptchaImage: 30943E\n",
-      "1/1 [==============================] - 0s 41ms/step\n",
-      "textInCaptchaImage: aAE662\n",
+      "textInCaptchaImage: c4ca2f\n",
       "1/1 [==============================] - 0s 36ms/step\n",
-      "textInCaptchaImage: E49E6e\n"
+      "textInCaptchaImage: c10234\n",
+      "1/1 [==============================] - 0s 46ms/step\n",
+      "textInCaptchaImage: 5695AE\n",
+      "1/1 [==============================] - 0s 32ms/step\n",
+      "textInCaptchaImage: 5E18f0\n",
+      "1/1 [==============================] - 0s 33ms/step\n",
+      "textInCaptchaImage: 2C7b4c\n"
      ]
     }
    ],
@@ -196,10 +196,10 @@
    "id": "781ac80e",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-01-26T17:38:22.252523Z",
-     "iopub.status.busy": "2023-01-26T17:38:22.252151Z",
-     "iopub.status.idle": "2023-01-26T17:38:50.043596Z",
-     "shell.execute_reply": "2023-01-26T17:38:50.042882Z"
+     "iopub.execute_input": "2023-01-27T17:40:56.356758Z",
+     "iopub.status.busy": "2023-01-27T17:40:56.356489Z",
+     "iopub.status.idle": "2023-01-27T17:41:25.211951Z",
+     "shell.execute_reply": "2023-01-27T17:41:25.210657Z"
     }
    },
    "outputs": [
@@ -499,10 +499,10 @@
    "id": "8d6507ca",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-01-26T17:38:50.046577Z",
-     "iopub.status.busy": "2023-01-26T17:38:50.046195Z",
-     "iopub.status.idle": "2023-01-26T17:38:50.631913Z",
-     "shell.execute_reply": "2023-01-26T17:38:50.631226Z"
+     "iopub.execute_input": "2023-01-27T17:41:25.216033Z",
+     "iopub.status.busy": "2023-01-27T17:41:25.215527Z",
+     "iopub.status.idle": "2023-01-27T17:41:25.759895Z",
+     "shell.execute_reply": "2023-01-27T17:41:25.758961Z"
     }
    },
    "outputs": [],
@@ -516,10 +516,10 @@
    "id": "0915aa5a",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-01-26T17:38:50.635284Z",
-     "iopub.status.busy": "2023-01-26T17:38:50.634927Z",
-     "iopub.status.idle": "2023-01-26T17:39:07.884083Z",
-     "shell.execute_reply": "2023-01-26T17:39:07.883344Z"
+     "iopub.execute_input": "2023-01-27T17:41:25.764431Z",
+     "iopub.status.busy": "2023-01-27T17:41:25.764022Z",
+     "iopub.status.idle": "2023-01-27T17:41:42.516288Z",
+     "shell.execute_reply": "2023-01-27T17:41:42.515106Z"
     }
    },
    "outputs": [