Merge pull request #955 from alibaba-damo-academy/chenmengzheAAA-patch-3

chenmengzheAAA

2023-09-14 be9d6165b31b4243c7f0ab8741e9f7664210acdf

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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