游雁
2023-04-21 5c214b7d2a8c3e169bf351c337e4180ada0c3441
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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