fix eng word space (#598)

chenmengzheAAA

2023-06-06 12e1849c6ddc228d6f62dedc7f95c22038498236

 funasr/layers/abs_normalize.py

@@ -11,4 +11,4 @@
        self, input: torch.Tensor, input_lengths: torch.Tensor = None
    ) -> Tuple[torch.Tensor, torch.Tensor]:
        # return output, output_lengths
        raise NotImplementedError
        raise NotImplementedError