Merge pull request #6 from alibaba-damo-academy/dev

zhifu gao

2022-12-03 fd278298f5a2ae6261ab6d56576395be6be1676e

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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