Merge pull request #811 from alibaba-damo-academy/dev_wjm

hnluo

2023-08-07 5ac7999158b657458693636e1a717cc0ded7c6ad

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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