Merge pull request #410 from alibaba-damo-academy/dev_logs

Lizerui9926

2023-04-24 4be69521fcea5ae537b9109274fcb1e6a1dc7626

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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