Update cardinal.py (#562)

Binbin Gu

2023-06-02 4870f0f8a5f3ae9072a56b6f320ba7ebcfaf4373

 funasr/models/encoder/abs_encoder.py

@@ -18,4 +18,4 @@
        ilens: torch.Tensor,
        prev_states: torch.Tensor = None,
    ) -> Tuple[torch.Tensor, torch.Tensor, Optional[torch.Tensor]]:
        raise NotImplementedError
        raise NotImplementedError