Merge pull request #307 from alibaba-damo-academy/main

hnluo

2023-03-29 e2114ba1305144d3d4b047777bb5368f9c483b1a

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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