Merge pull request #519 from alibaba-damo-academy/main

zhifu gao

2023-05-17 7e63de52f02c51b2c221de21a951fffa6d2130af

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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