add sampling rate parameter

hnluo

2023-02-05 16d3783a54adb4a7380f0eddfd7e31a55147b1fb

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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