Merge pull request #777 from alibaba-damo-academy/dev_cmz

chenmengzheAAA

2023-07-25 85fc7d1bf27be4bb9fba21e8070f283135a8b67d

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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