fix bug of LfrCmvn

雾聪

2023-11-26 eed40f4f082ac3b30bea36a0e02192b3975c2cf9

 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