Merge pull request #540 from alibaba-damo-academy/dev-zc

Chong Zhang

2023-05-23 897847cb66a88c6e2728a89897b453c16388046f

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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