Merge pull request #339 from zhuzizyf/main

hnluo

2023-04-12 2461e21c21c26ffb2b1e43e1545de480a6782070

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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