Update papers.md (#711)

aky15

2023-07-05 e3c38415f192e1f4c69147249b31af9b1df66c49

 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