modify export_models.py

nichongjia-2007

2023-01-04 6b7134d49167d4410b18a10eebd92d163d83828c

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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