Merge pull request #523 from alibaba-damo-academy/main

zhifu gao

2023-05-17 ee2d96ad2e193e35dc5b02f55e87be282126f35c

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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