Merge pull request #412 from alibaba-damo-academy/main

zhifu gao

2023-04-25 27be6711c51d1faeb8386e59c389ee9b0ea2a6da

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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