Merge pull request #458 from alibaba-damo-academy/nichongjia-2007-patch-1

zhifu gao

2023-05-05 5ed3c73b78dcd441b9fb7f9b8aa509a0648dbac7

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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