[Quantization] run calib without grad

wanchen.swc

2023-03-16 6ca0d1f54c8b698e3315edab8aa9ba7227d7c9e7

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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