fix transformerLM inference recipe

lzr265946

2023-09-07 9b4e0969f29dccdfa78a55219f8107e549c96e45

 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