Merge pull request #333 from alibaba-damo-academy/dev_lhn

chenmengzheAAA

2023-04-11 4776de6a1fb454f97c60849a7eee629bb3fde3bd

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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