Merge pull request #13 from alibaba-damo-academy/dev

zhifu gao

2022-12-12 7817db2e202f9790cb6a6e832fd688c01b3be643

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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