Update cif_predictor.py (#1811)

zhong zhuang

2024-06-14 145022c438c8158e6bffdc5ff66fdd28468a0a18

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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