Get a TypeError: 'NoneType' object is not subscriptable after press key 'a' during RECORDING

[semikernel]

Description of bug / unexpected behavior

I pressed 'r' to record my voice and after that, when I want to continue and press a, the error happened.

Expected behavior

It should save my voice and let me record next one

How to reproduce the issue

manim -pql recording.py --disable_caching
then press 'a'
Press...
l to [l]isten to the recording
r to [r]e-record
a to [a]ccept the recording

Code for reproducing the problem

manim -pql recording.py --disable_caching

Additional media files

Images/GIFs

Logs

Terminal output

/home/semikernel/anaconda3/envs/manimexp/lib/python3.11/site-packages/stable_whisper/whisper_word_level.py:235: UserWarning: FP16 is not supported on CPU; using FP32 instead
  warnings.warn("FP16 is not supported on CPU; using FP32 instead")
  0%|                                                 | 0/4.59 [00:00<?, ?sec/s]
╭───────────────────── Traceback (most recent call last) ──────────────────────╮
│ /home/semikernel/anaconda3/envs/manimexp/lib/python3.11/site-packages/manim/ │
│ cli/render/commands.py:115 in render                                         │
│                                                                              │
│   112 │   │   │   try:                                                       │
│   113 │   │   │   │   with tempconfig({}):                                   │
│   114 │   │   │   │   │   scene = SceneClass()                               │
│ ❱ 115 │   │   │   │   │   scene.render()                                     │
│   116 │   │   │   except Exception:                                          │
│   117 │   │   │   │   error_console.print_exception()                        │
│   118 │   │   │   │   sys.exit(1)                                            │
│                                                                              │
│ /home/semikernel/anaconda3/envs/manimexp/lib/python3.11/site-packages/manim/ │
│ scene/scene.py:223 in render                                                 │
│                                                                              │
│    220 │   │   """                                                           │
│    221 │   │   self.setup()                                                  │
│    222 │   │   try:                                                          │
│ ❱  223 │   │   │   self.construct()                                          │
│    224 │   │   except EndSceneEarlyException:                                │
│    225 │   │   │   pass                                                      │
│    226 │   │   except RerunSceneException as e:                              │
│                                                                              │
│ /home/semikernel/Documents/manim/gtts.py:13 in construct                     │
│                                                                              │
│   10 │   │   circle = Circle()                                               │
│   11 │   │   square = Square().shift(2 * RIGHT)                              │
│   12 │   │                                                                   │
│ ❱ 13 │   │   with self.voiceover(text="This circle is drawn as I speak.") as │
│   14 │   │   │   self.play(Create(circle), run_time=tracker.duration)        │
│   15 │   │                                                                   │
│   16 │   │   with self.voiceover(text="Let's shift it to the left 2 units.") │
│                                                                              │
│ /home/semikernel/anaconda3/envs/manimexp/lib/python3.11/contextlib.py:137 in │
│ __enter__                                                                    │
│                                                                              │
│   134 │   │   # they are only needed for recreation, which is not possible a │
│   135 │   │   del self.args, self.kwds, self.func                            │
│   136 │   │   try:                                                           │
│ ❱ 137 │   │   │   return next(self.gen)                                      │
│   138 │   │   except StopIteration:                                          │
│   139 │   │   │   raise RuntimeError("generator didn't yield") from None     │
│   140                                                                        │
│                                                                              │
│ /home/semikernel/anaconda3/envs/manimexp/lib/python3.11/site-packages/manim_ │
│ voiceover/voiceover_scene.py:186 in voiceover                                │
│                                                                              │
│   183 │   │                                                                  │
│   184 │   │   try:                                                           │
│   185 │   │   │   if text is not None:                                       │
│ ❱ 186 │   │   │   │   yield self.add_voiceover_text(text, **kwargs)          │
│   187 │   │   │   elif ssml is not None:                                     │
│   188 │   │   │   │   yield self.add_voiceover_ssml(ssml, **kwargs)          │
│   189 │   │   finally:                                                       │
│                                                                              │
│ /home/semikernel/anaconda3/envs/manimexp/lib/python3.11/site-packages/manim_ │
│ voiceover/voiceover_scene.py:69 in add_voiceover_text                        │
│                                                                              │
│    66 │   │   │   │   "You need to call init_voiceover() before adding a voi │
│    67 │   │   │   )                                                          │
│    68 │   │                                                                  │
│ ❱  69 │   │   dict_ = self.speech_service._wrap_generate_from_text(text, **k │
│    70 │   │   tracker = VoiceoverTracker(self, dict_, self.speech_service.ca │
│    71 │   │   self.add_sound(str(Path(self.speech_service.cache_dir) / dict_ │
│    72 │   │   self.current_tracker = tracker                                 │
│                                                                              │
│ /home/semikernel/anaconda3/envs/manimexp/lib/python3.11/site-packages/manim_ │
│ voiceover/services/base.py:95 in _wrap_generate_from_text                    │
│                                                                              │
│    92 │   │                                                                  │
│    93 │   │   # Check whether word boundaries exist and if not run stt       │
│    94 │   │   if "word_boundaries" not in dict_ and self._whisper_model is n │
│ ❱  95 │   │   │   transcription_result = self._whisper_model.transcribe(     │
│    96 │   │   │   │   str(Path(self.cache_dir) / original_audio), **self.tra │
│    97 │   │   │   )                                                          │
│    98 │   │   │   logger.info("Transcription: " + transcription_result.text) │
│                                                                              │
│ /home/semikernel/anaconda3/envs/manimexp/lib/python3.11/site-packages/stable │
│ _whisper/whisper_word_level.py:492 in transcribe_stable                      │
│                                                                              │
│    489 │   │   │   │   │   │   continue                                      │
│    490 │   │   │   │   │   ts_token_mask = pad_or_trim(ts_token_mask, 1501)  │
│    491 │   │   │                                                             │
│ ❱  492 │   │   │   detect_language()                                         │
│    493 │   │   │   decode_options["prompt"] = all_tokens[prompt_reset_since: │
│    494 │   │   │   result: DecodingResult = decode_with_fallback(mel_segment │
│    495 │   │   │   tokens = torch.tensor(result.tokens)                      │
│                                                                              │
│ /home/semikernel/anaconda3/envs/manimexp/lib/python3.11/site-packages/stable │
│ _whisper/whisper_word_level.py:305 in detect_language                        │
│                                                                              │
│    302 │   │   │   │   │   │   print("Detecting language using up to 30 seco │
│    303 │   │   │   │   │   │   │     "Use `--language` to specify the langua │
│    304 │   │   │   │   │   timing_mask = np.logical_and(                     │
│ ❱  305 │   │   │   │   │   │   segment_silence_timing[0] <= time_offset,     │
│    306 │   │   │   │   │   │   segment_silence_timing[1] >= time_offset      │
│    307 │   │   │   │   │   )                                                 │
│    308 │   │   │   │   │   start_sample = (                                  │
╰──────────────────────────────────────────────────────────────────────────────╯
TypeError: 'NoneType' object is not subscriptable

System specifications

System Details

• OS (with version, e.g., Windows 10 v2004 or macOS 10.15 (Catalina)): Red Hat Enterprise Linux 9.3 (Plow)
• RAM:16GB
• Python version (python/py/python3 --version):Python 3.11.7
• Installed modules (provide output from pip list):

Package                        Version
------------------------------ ------------
absl-py                        2.1.0
aiohttp                        3.9.1
aiosignal                      1.3.1
annotated-types                0.6.0
anyascii                       0.3.2
asttokens                      2.4.1
attrs                          23.2.0
audioread                      3.0.1
azure-cognitiveservices-speech 1.34.1
Babel                          2.14.0
bangla                         0.0.2
blinker                        1.7.0
blis                           0.7.11
bnnumerizer                    0.0.2
bnunicodenormalizer            0.1.6
Brotli                         1.1.0
build                          1.0.3
CacheControl                   0.13.1
cachetools                     5.3.2
catalogue                      2.0.10
certifi                        2023.11.17
cffi                           1.16.0
charset-normalizer             3.3.2
cleo                           2.1.0
click                          8.1.7
click-default-group            1.2.4
cloudpathlib                   0.16.0
cloup                          2.1.2
cmake                          3.28.1
colorama                       0.4.6
confection                     0.1.4
contourpy                      1.2.0
coqpit                         0.0.17
crashtest                      0.4.1
cryptography                   42.0.1
cycler                         0.12.1
cymem                          2.0.8
Cython                         3.0.8
dateparser                     1.1.8
decorator                      5.1.1
distlib                        0.3.8
docopt                         0.6.2
dulwich                        0.21.7
einops                         0.7.0
encodec                        0.1.1
evdev                          1.6.1
executing                      2.0.1
fastjsonschema                 2.19.1
ffmpeg-python                  0.2.0
filelock                       3.13.1
Flask                          3.0.1
fonttools                      4.47.2
frozenlist                     1.4.1
fsspec                         2023.12.2
future                         0.18.3
g2pkk                          0.1.2
glcontext                      2.5.0
google-auth                    2.27.0
google-auth-oauthlib           1.2.0
grpcio                         1.60.0
gruut                          2.2.3
gruut-ipa                      0.13.0
gruut_lang_de                  2.0.0
gruut_lang_en                  2.0.0
gruut_lang_es                  2.0.0
gruut_lang_fr                  2.0.2
gTTS                           2.5.0
hangul-romanize                0.1.0
huggingface-hub                0.20.3
idna                           3.6
importlib-metadata             7.0.1
inflect                        7.0.0
installer                      0.7.0
ipython                        8.20.0
isosurfaces                    0.1.0
itsdangerous                   2.1.2
jamo                           0.4.1
jaraco.classes                 3.3.0
jedi                           0.19.1
jeepney                        0.8.0
jieba                          0.42.1
Jinja2                         3.1.3
joblib                         1.3.2
jsonlines                      1.2.0
keyring                        24.3.0
kiwisolver                     1.4.5
langcodes                      3.3.0
lazy_loader                    0.3
librosa                        0.10.1
lit                            17.0.6
llvmlite                       0.41.1
manim                          0.18.0
manim-voiceover                0.3.4.post1
ManimPango                     0.5.0
mapbox-earcut                  1.0.1
Markdown                       3.5.2
markdown-it-py                 3.0.0
MarkupSafe                     2.1.4
matplotlib                     3.8.2
matplotlib-inline              0.1.6
mdurl                          0.1.2
moderngl                       5.9.0
moderngl-window                2.4.1
more-itertools                 10.2.0
mpmath                         1.3.0
msgpack                        1.0.7
multidict                      6.0.4
multipledispatch               0.6.0
murmurhash                     1.0.10
mutagen                        1.47.0
networkx                       2.8.8
nltk                           3.8.1
num2words                      0.5.13
numba                          0.58.1
numpy                          1.26.3
nvidia-cublas-cu11             11.10.3.66
nvidia-cublas-cu12             12.1.3.1
nvidia-cuda-cupti-cu11         11.7.101
nvidia-cuda-cupti-cu12         12.1.105
nvidia-cuda-nvrtc-cu11         11.7.99
nvidia-cuda-nvrtc-cu12         12.1.105
nvidia-cuda-runtime-cu11       11.7.99
nvidia-cuda-runtime-cu12       12.1.105
nvidia-cudnn-cu11              8.5.0.96
nvidia-cudnn-cu12              8.9.2.26
nvidia-cufft-cu11              10.9.0.58
nvidia-cufft-cu12              11.0.2.54
nvidia-curand-cu11             10.2.10.91
nvidia-curand-cu12             10.3.2.106
nvidia-cusolver-cu11           11.4.0.1
nvidia-cusolver-cu12           11.4.5.107
nvidia-cusparse-cu11           11.7.4.91
nvidia-cusparse-cu12           12.1.0.106
nvidia-nccl-cu11               2.14.3
nvidia-nccl-cu12               2.18.1
nvidia-nvjitlink-cu12          12.3.101
nvidia-nvtx-cu11               11.7.91
nvidia-nvtx-cu12               12.1.105
oauthlib                       3.2.2
openai-whisper                 20230314
packaging                      23.2
pandas                         1.5.3
parso                          0.8.3
pexpect                        4.9.0
Pillow                         9.5.0
pip                            23.3.2
pkginfo                        1.9.6
platformdirs                   3.11.0
poetry                         1.7.1
poetry-core                    1.8.1
poetry-plugin-export           1.6.0
pooch                          1.8.0
preshed                        3.0.9
prompt-toolkit                 3.0.43
protobuf                       4.23.4
psutil                         5.9.8
ptyprocess                     0.7.0
pure-eval                      0.2.2
pyasn1                         0.5.1
pyasn1-modules                 0.3.0
PyAudio                        0.2.14
pycairo                        1.25.1
pycparser                      2.21
pydantic                       2.5.3
pydantic_core                  2.14.6
pydub                          0.25.1
pyglet                         1.5.27
Pygments                       2.17.2
pynndescent                    0.5.11
pynput                         1.7.6
pyparsing                      3.1.1
pypinyin                       0.50.0
pyproject_hooks                1.0.0
pyrr                           0.10.3
pysbd                          0.3.4
PySocks                        1.7.1
python-crfsuite                0.9.10
python-dateutil                2.8.2
python-dotenv                  0.21.1
python-slugify                 8.0.2
python-xlib                    0.33
pytz                           2023.3.post1
PyYAML                         6.0.1
rapidfuzz                      3.6.1
regex                          2023.12.25
requests                       2.31.0
requests-oauthlib              1.3.1
requests-toolbelt              1.0.0
rich                           13.7.0
rsa                            4.9
safetensors                    0.4.2
scikit-learn                   1.4.0
scipy                          1.12.0
screeninfo                     0.8.1
SecretStorage                  3.3.3
setuptools                     69.0.3
shellingham                    1.5.4
six                            1.16.0
skia-pathops                   0.8.0.post1
smart-open                     6.4.0
soundfile                      0.12.1
sox                            1.4.1
soxr                           0.3.7
spacy                          3.7.2
spacy-legacy                   3.0.12
spacy-loggers                  1.0.5
srsly                          2.4.8
srt                            3.5.3
stable-ts                      2.11.1
stack-data                     0.6.3
SudachiDict-core               20240109
SudachiPy                      0.6.8
svgelements                    1.9.6
sympy                          1.12
tensorboard                    2.15.1
tensorboard-data-server        0.7.2
text-unidecode                 1.3
thinc                          8.2.2
threadpoolctl                  3.2.0
tiktoken                       0.3.1
tokenizers                     0.15.1
tomli                          2.0.1
tomlkit                        0.12.3
torch                          2.1.2
torchaudio                     2.1.2
tqdm                           4.66.1
trainer                        0.0.36
traitlets                      5.14.1
transformers                   4.37.1
triton                         2.1.0
trove-classifiers              2024.1.8
TTS                            0.22.0
typer                          0.9.0
typing_extensions              4.9.0
tzlocal                        5.2
umap-learn                     0.5.5
Unidecode                      1.3.8
urllib3                        2.1.0
virtualenv                     20.25.0
wasabi                         1.1.2
watchdog                       2.3.1
wcwidth                        0.2.13
weasel                         0.3.4
Werkzeug                       3.0.1
wheel                          0.42.0
yarl                           1.9.4
zipp                           3.17.0

LaTeX details

• LaTeX distribution (e.g. TeX Live 2020): TeX Live 2020
• Installed LaTeX packages:

FFMPEG

Output of ffmpeg -version:

ffmpeg version 5.1.2 Copyright (c) 2000-2022 the FFmpeg developers
built with gcc 12.3.0 (conda-forge gcc 12.3.0-2)
configuration: --prefix=/home/conda/feedstock_root/build_artifacts/ffmpeg_1696213708285/_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_plac --cc=/home/conda/feedstock_root/build_artifacts/ffmpeg_1696213708285/_build_env/bin/x86_64-conda-linux-gnu-cc --cxx=/home/conda/feedstock_root/build_artifacts/ffmpeg_1696213708285/_build_env/bin/x86_64-conda-linux-gnu-c++ --nm=/home/conda/feedstock_root/build_artifacts/ffmpeg_1696213708285/_build_env/bin/x86_64-conda-linux-gnu-nm --ar=/home/conda/feedstock_root/build_artifacts/ffmpeg_1696213708285/_build_env/bin/x86_64-conda-linux-gnu-ar --disable-doc --disable-openssl --enable-demuxer=dash --enable-hardcoded-tables --enable-libfreetype --enable-libfontconfig --enable-libopenh264 --enable-libdav1d --enable-gnutls --enable-libmp3lame --enable-libvpx --enable-libass --enable-pthreads --enable-vaapi --enable-gpl --enable-libx264 --enable-libx265 --enable-libaom --enable-libsvtav1 --enable-libxml2 --enable-pic --enable-shared --disable-static --enable-version3 --enable-zlib --enable-libopus --pkg-config=/home/conda/feedstock_root/build_artifacts/ffmpeg_1696213708285/_build_env/bin/pkg-config
libavutil      57. 28.100 / 57. 28.100
libavcodec     59. 37.100 / 59. 37.100
libavformat    59. 27.100 / 59. 27.100
libavdevice    59.  7.100 / 59.  7.100
libavfilter     8. 44.100 /  8. 44.100
libswscale      6.  7.100 /  6.  7.100
libswresample   4.  7.100 /  4.  7.100
libpostproc    56.  6.100 / 56.  6.100

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