add language models

nichongjia-2007

2023-07-07 e5151e047479e3414ed2faa2890bc3e7e17259be

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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