As a workaround for now, you can comment out(add a # at the beginning of the line to disable it) the spleeter installation line in the "setup whisper" section(click show code to edit) and it should look like this:
View attachment 3650116
You need to run the code(press the play button) after you've done this. If you've already ran the code, you'll need to run it again.
Spleeter is used to separate the voice from the background noise.
It's not used by default so unless you set "source_separation" to True(meaning you check the checkbox next to it), it won't change anything(and if you do enable it after disabling the spleeter install, it will give an error).