Merge pull request #3 from alibaba-damo-academy/main

dyyzhmm

2023-03-16 73a7cf596bd1ebc3bd0c9674a21072f9eaf4cc57

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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