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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 async def resolution_at_vote(self, root):
 """The proposal currently being voted on. Returns ------- :class:`ApiQuery` of :class:`ResolutionAtVote` :class:`ApiQuery` of None If no resolution is currently at vote. """

        elem = root.find('RESOLUTION')
        if elem:
            resolution = ResolutionAtVote(elem)
            resolution._council_id = self._council_id
            return resolution