Update SDK_advanced_guide_offline.md

Yabin Li

2023-08-21 3bcaa14a094fdd444b286667e7b1c0af0b0cb535

 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