Merge pull request #764 from alibaba-damo-academy/dev_asr

nichongjia-2007

2023-07-21 6ee8a0833dd1131c1ecdbc9fd10592160ac08cc0

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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