Merge pull request #348 from alibaba-damo-academy/dev_sx

Lizerui9926

2023-04-13 16a6e44da0c99beb4dd37558e788f9f82fcb4b94

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from abc import ABC
from abc import abstractmethod
from typing import Tuple
 
import torch
 
 
class InversibleInterface(ABC):
    @abstractmethod
    def inverse(
        self, input: torch.Tensor, input_lengths: torch.Tensor = None
    ) -> Tuple[torch.Tensor, torch.Tensor]:
        # return output, output_lengths
        raise NotImplementedError