fix vc compatibility (#1091)

cdevelop

2023-11-15 397f4d4b7a9c7b35fa57b1358f076ed0dd718257

 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