Strange R65 with 'clip = HAVC_main(clip=clip)' works here. Ahh,.. VapoursynthR65_torch_2024.05.11.7z does contains vsdeoldify 3.5.2 not 3.5.3, maybe that is the problem.
=> deleted R65 torch from the GoogleDrive.
=> deleted R65 torch from the GoogleDrive.