diff --git a/notebooks/piper_model_exporter.ipynb b/notebooks/piper_model_exporter.ipynb
index 276f7fe..3b98bec 100644
--- a/notebooks/piper_model_exporter.ipynb
+++ b/notebooks/piper_model_exporter.ipynb
@@ -5,7 +5,7 @@
     "colab": {
       "provenance": [],
       "gpuType": "T4",
-      "authorship_tag": "ABX9TyPBXwWHq64s9HTowl1s6H6d",
+      "authorship_tag": "ABX9TyNHZIC4OUHDX+ElHmpW/AAV",
       "include_colab_link": true
     },
     "kernelspec": {
@@ -99,7 +99,7 @@
         "        config = json.load(file)\n",
         "    sample_rate = config[\"audio\"][\"sample_rate\"]\n",
         "    num_speakers = config[\"num_speakers\"]\n",
-        "    output.eval_js('new Audio(f\"{guideurl}/waiting.wav?raw=true\").play()')\n",
+        "    output.eval_js(f'new Audio(\"{guideurl}/waiting.wav?raw=true\").play()')\n",
         "    text_area = widgets.Textarea(\n",
         "        description = \"fill in this following template and press start to generate the voice package\",\n",
         "        value=f'# Model card for {voice_name} ({quality})\\n\\n* Language: {language} (normaliced)\\n* Speakers: {num_speakers}\\n* Quality: {quality}\\n* Samplerate: {sample_rate}Hz\\n\\n## Dataset\\n\\n* URL: \\n* License: \\n\\n## Training\\n\\nTrained from scratch.\\nOr finetuned from: ',\n",
@@ -114,7 +114,7 @@
         "        text_area.close()\n",
         "        button.close()\n",
         "        output.clear()\n",
-        "        output.eval_js('new Audio(f\"{guideurl}/starting.wav?raw=true\").play()')\n",
+        "        output.eval_js(f'new Audio(\"{guideurl}/starting.wav?raw=true\").play()')\n",
         "        start_process()\n",
         "\n",
         "    button.on_click(create_model_card)\n",
@@ -125,7 +125,7 @@
         "    !python -m piper_train.export_onnx \"/content/project/model.ckpt\" \"{export_voice_path}/{export_voice_name}.onnx\"\n",
         "    print(\"compressing...\")\n",
         "    !tar -czvf \"{packages_path}/voice-{export_voice_name}.tar.gz\" -C \"{export_voice_path}\" .\n",
-        "    output.eval_js('new Audio(\"{guideurl}/success.wav?raw=true\").play()')"
+        "    output.eval_js(f'new Audio(\"{guideurl}/success.wav?raw=true\").play()')"
       ],
       "metadata": {
         "cellView": "form",