Update SDK_advanced.md

Yabin Li

2023-06-29 3daa49e1e2cabd68b4c79bdadcde3692409f3598

 funasr/models/frontend/abs_frontend.py

@@ -14,4 +14,4 @@
    def forward(
        self, input: torch.Tensor, input_lengths: torch.Tensor
    ) -> Tuple[torch.Tensor, torch.Tensor]:
        raise NotImplementedError
        raise NotImplementedError