fix infer_after_finetune.py

jmwang66

2023-02-01 65b35ca42351ee48b6c94530b6414d24cc9745fb

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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