pytorch

aa8248cc - Reenable `isinstance` with `torch.distributed.ReduceOp` (#87303)

Reenable `isinstance` with `torch.distributed.ReduceOp` (#87303) tentatively marking as draft as I haven't gotten a comprehensive list of side effects... Ref: https://stackoverflow.com/questions/40244413/python-static-class-attribute-of-the-class-itself Rel: https://github.com/pytorch/pytorch/issues/87191 cc @kwen2501 Pull Request resolved: https://github.com/pytorch/pytorch/pull/87303 Approved by: https://github.com/wanchaol