Merge pull request #542 from alibaba-damo-academy/dev-zc-1

Chong Zhang

2023-05-23 f7b5b3ea08cf27b18215283edcce9c532fe0f6a8

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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