Update e2e-vad.h

zhuzizyf

2023-05-04 1b6b10ab2db6ec067ef9e1089060449f78aa4e65

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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