Merge pull request #939 from alibaba-damo-academy/dev_sxfix

Xian Shi

2023-09-12 57ccdf04e0dc17af86ae9b2f2d6155440989f450

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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