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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:
 def repeal_target(self):
 """The resolution this resolution has repealed, or is attempting to repeal. Returns ------- :class:`ApiQuery` of :class:`Resolution` Raises ------ TypeError: If the resolution doesn't repeal anything. """

        if not self.category == 'Repeal':
            raise TypeError("This resolution doesn't repeal anything")
        return wa.resolution(int(self.option) + 1)