Merge branch 'main' into dev_wjm_infer

jmwang66

2023-06-19 4e0fcee2a915641e7f39d62c389bee561d849e19

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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