def __init__(self, **kwargs):
        """
        Raises:
            ValueError: if train argument is False (CIFAR10MLDataset
                should be used only for training)
        """
        if "train" in kwargs:
            if kwargs["train"] is False:
                raise ValueError("CIFAR10MLDataset can be used only for training stage.")
        else:
            kwargs["train"] = True
        super(Cifar10MLDataset, self).__init__(**kwargs)
        self._filter()

        Raises:
            ValueError: if train argument is False (CIFAR10MLDataset
                should be used only for training)
        
catalyst/contrib/datasets/cifar.py