TypeError: __init__() should return None, not 'NoneType' in SpeechTimestampsMap under Python 3.14

Author: keelung-yangCreated Aug 13, 2026Updated Sep 6, 2026
Image

Python version: 3.14.6, venv:

  • faster-whisper version: 4.8.1, model: large
  • ctranslate2-4.8.1
  • nvidia_cublas_cu12-12.9.2.10
  • nvidia_cudnn_cu12-9.24.0.43
  • nvidia_cuda_nvrtc_cu12-12.9.86
  • onnxruntime-1.28.0
  • tokenizers-0.23.1

OS: CachyOS, all packages updated

Operating System: CachyOS Linux 
KDE Plasma Version: 6.7.4
KDE Frameworks Version: 6.28.0
Qt Version: 6.11.1
Kernel Version: 7.1.8-1-cachyos (64-bit)
Graphics Platform: Wayland
Processors: 36 × Intel® Xeon® CPU E5-2695 v4 @ 2.10GHz
Memory: 32 GiB of RAM (31.3 GiB usable)
Graphics Processor: NVIDIA GeForce RTX 5060 Ti
Manufacturer: Dell Inc.
Product Name: Precision Tower 7810