Update SDK_advanced_guide_online.md

Yabin Li

2023-08-08 9a73f202d8108973b6aface320d3fcb38fc11bbd

 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