Merge pull request #513 from alibaba-damo-academy/for-html5-demo

zhifu gao

2023-05-16 6fa45b7fdbe850b9da2f8baf68fbc3f5d1785b88

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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