PyTorch for TotalSegmentator

Hi Im trying to use totalSegmentator on my MRI images and I have installed the extension and also PyTorch extension, but I keep getting this error and IDK what is the problem. can anybody help me?
image
raise RuntimeError(“This module requires PyTorch extension. Install it from the Extensions Manager.”)
can this be related to my GPU?

RuntimeError: This module requires PyTorch extension. Install it from the Extensions Manager.