remove never use code (#1151)

夜雨飘零

2023-12-06 6f88a689af05dee063d52fc65806cb0addbb764b

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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