[Haizea] Is it right?__setstate__

[柯俊峰]

The __setstate__ like this:
def __setstate__(self, state):
        """Restores state when unpickling a ResourceTuple object

        After unpickling, the object still has to be bound to a slottable.
        """
        self.slottable = None
        self._single_instance = state[0]
        self._multi_instance = state[1]
Above codes may be as follows,
def __setstate__(self, state):
        """Restores state when unpickling a ResourceTuple object

        After unpickling, the object still has to be bound to a slottable.
        """
        self.slottable = None
        self._single_instance = state[0]
        if len(state) == 2:
        self._multi_instance = state[1]
Is it right?
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