fix the issue of hotwords_embedding potentially being a null pointer

雾聪

2023-11-16 74cf8b65b2254eee059f6f599bb6095db5c66001

 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