Update SDK_advanced_guide_online.md

Yabin Li

2023-08-08 9a73f202d8108973b6aface320d3fcb38fc11bbd

 funasr/layers/abs_normalize.py

@@ -11,4 +11,4 @@
        self, input: torch.Tensor, input_lengths: torch.Tensor = None
    ) -> Tuple[torch.Tensor, torch.Tensor]:
        # return output, output_lengths
        raise NotImplementedError
        raise NotImplementedError