update unittest

speech_asr

2023-03-10 28eed3258851a6baf84f28c6855fd0f9b64db827

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from abc import ABC
from abc import abstractmethod
from typing import Iterator
 
 
class AbsIterFactory(ABC):
    @abstractmethod
    def build_iter(self, epoch: int, shuffle: bool = None) -> Iterator:
        raise NotImplementedError