fix single word case (#1679)

彭震东

2024-04-29 1f49a4f2b2744c30fcbfff6fbb85d6133c6203f2

fix single word case (#1679)

``` python
print(model.generate(input="是什么")[0]["text"])
```

 funasr/models/ct_transformer/model.py

@@ -287,9 +287,7 @@
            # y, _ = self.wrapped_model(**data)
            y, _ = self.punc_forward(**data)
            _, indices = y.view(-1, y.shape[-1]).topk(1, dim=1)
            punctuations = indices
            if indices.size()[0] != 1:
                punctuations = torch.squeeze(indices)
            punctuations = torch.squeeze(indices, dim=1)
            assert punctuations.size()[0] == len(mini_sentence)

            # Search for the last Period/QuestionMark as cache