pytorch

79f89826 - Improve error message w/ size inference on empty tensors

Improve error message w/ size inference on empty tensors Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/17255 Differential Revision: D14143094 Pulled By: soumith fbshipit-source-id: f96fa7f8eb6eaac72887d3e837546cbfa505f101