Do not use deprecated `at::Tensor::type()`
Summary: X-link: https://github.com/facebookexternal/vizard/pull/5 X-link: https://github.com/fairinternal/egohowto/pull/72 Pull Request resolved: https://github.com/facebookresearch/d2go/pull/680 Replace `tensor.type().scalarType()` with `tensor.scalar_type()` (this be able to get rid of the cast function in https://github.com/pytorch/pytorch/pull/139358 ) Remove extraneous braces around lambdas Reviewed By: huydhn, r-barnes Differential Revision: D65308547 fbshipit-source-id: d04c62cfa7361c0f69a2eaf1fd331befa9df4395