@classmethod
    def from_qs(cls, qs, **kwargs):
        """
        Creates a new queryset using class `cls` using `qs'` data.

        :param qs: The query set to clone
        :keyword kwargs: The kwargs to pass to _clone method
        """
        assert issubclass(cls, QuerySet), cls % "%s is not a QuerySet subclass"
        assert isinstance(qs, QuerySet), "qs has to be an instance of queryset"
        return qs._clone(klass=cls, **kwargs)
dataset/ETHPy150Open aparo/pyes/pyes/queryset.py/QuerySet.from_qs/swapped operands of `%`