Update SDK_tutorial_cn.md

zhifu gao

2023-06-30 2da3c79d22b639f127abce184556f15442bf01a9

 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