exit when send all data for python ws client (#627)

zhaomingwork

2023-06-13 38ccf84873508eb0153b5213b387cd20ce775a1b

 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