Merge pull request #50 from alibaba-damo-academy/dev

Xian Shi

2023-01-31 b5b540d455edc6fbb8d52f4011b51028a882ef76

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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