Merge pull request #1036 from alibaba-damo-academy/hnluo-patch-1

hnluo

2023-10-23 1b1565bedb209d8bcc729c4f8e951d18895bdf03

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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