Package: ftp.debian.org Severity: normal I'm not the maintainer.
Torch3 is already dead. We should remove it. There is an RFP for its successor Torch5, but Torch5 had never entered archive Torch7 had been packaged for buster (lua-torch-* packages), but removed due to deprecation The successor of Torch7 is Pytorch. I'm working on packaging pytorch.
