installing the faster-whisper backend fails albeit the cuda13-faster-whisper backend is installed

[christian-drescher]

I want to install a faster-whisper backend to run a specific model. I have got the cuda13-faster-whisper backend installed via the webui, but installing the faster-whisper backend fails.

LocalAI version:
v3.11.0-18-g7270a98c

Describe the bug
Error installing backend "faster-whisper": no backend found with capabilities map["amd":"rocm-faster-whisper" "intel":"intel-faster-whisper" "metal":"metal-faster-whisper" "nvidia":"cuda12-faster-whisper" "nvidia-cuda-12":"cuda12-faster-whisper" "nvidia-cuda-13":"cuda13-faster-whisper"]

To Reproduce
Install cuda13-faster-whisper backend, then faster-whisper backend.

Expected behavior
faster-whisper backend installs when cuda13-faster-whisper backend is installed