Update SDK_tutorial_online.md

ShiLiang Zhang

2023-08-07 9d7c6e75f0b2ab1a5fc6e3a3a795d804fdb0bc8d

 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