(mac os 12)- svptube not function

Hello ,

have installed test-version of Svp 4 Mac
the app seem function find,

however, svptube not picking up any online video -
the mpv was installed via macports (mpv +vapoursynth).

thanks.

11:09:56.017 : Extensions: found svpcode 1.4.0.300 ...
11:09:56.023 : Settings: loading code.cfg OK
11:09:56.175 : Extensions: found svplight 2.1.0.300 ...
11:09:56.404 : Extensions: found svptube 2.4.0.305 ...
11:09:56.422 : Settings: loading tube.cfg OK
11:09:56.468 : Tube: initializing yt_dlp...
11:09:56.517 : Main: initialization completed in 3409 ms
11:09:56.681 : Updates: checking now...
11:09:56.760 : Tube: yt_dlp module import failed
11:09:58.622 : Performance: quick estimation = 362 (previous value was 368)
11:10:32.549 : Tube: initializing yt_dlp...
11:10:32.565 : Tube: yt_dlp module import failed