add docs/modelscope_pipeline/itn_pipeline.md

chong.zhang

2023-05-05 41c18ea11bec7bb68ba5eff81f7428df1b7b9c6a

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from abc import ABC
from abc import abstractmethod
from typing import Tuple
 
import torch
 
 
class AbsPostEncoder(torch.nn.Module, ABC):
    @abstractmethod
    def output_size(self) -> int:
        raise NotImplementedError
 
    @abstractmethod
    def forward(
        self, input: torch.Tensor, input_lengths: torch.Tensor
    ) -> Tuple[torch.Tensor, torch.Tensor]:
        raise NotImplementedError