This can be useful when you have saved model checkpoints during training and want to reload the best checkpoint in the end.
luz_load_model_weights(obj, path, ...)luz_save_model_weights(obj, path)
Returns NULL invisibly.
luz object to which you want to copy the new weights.
path to saved model in disk.
other arguments passed to torch_load().
luz_save_model_weights operates inplace, ie modifies the model object to contain the
new weights.