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Focal Loss error: no implementation found for 'torch.nn.functional.cross_entropy'

Redevil (Mario) March 24, 2022, 10:55pm 8

Thanks
I have solved using torch.as_tensor().

TypeError: no implementation found for 'torch.nn.functional.smooth_l1_loss' on types that implement __torch_function__: [<class 'fastai.torch_core.TensorImage'>, <class 'fastai.vision.core.TensorBBox'>]