Merge pull request #94 from alibaba-damo-academy/gzf

zhifu gao

2023-02-10 41e4b59033cc0d627b2e244f0e2d602a43d91126

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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