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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 getProvStack(self, iden: str):
        '''
        Return the providence stack associated with the given iden.

        Args:
            iden (str):  the iden from splice

        Note: the iden appears on each splice entry as the 'prov' property
        '''
        return self.cell.provstor.getProvStack(s_common.uhex(iden))