Fix examples that uses type_as

[ibraheem-moosa]

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What does this PR do?

I think the latest Pytorch API type_as has changed since the documentations were last updated. Now type_as takes the tensor instead of tensor type.

Reference: type_as

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[Borda]

LGTM 🚀
just for the record - https://pytorch.org/docs/master/tensors.html#torch.Tensor.type_as