#NEWLINE# @ classmethod #NEWLINE# def has_voted( cls , card , user ) : #NEWLINE# #INDENT# 'Return if a user has voted for a given card\n\n        In:\n            - ``card`` -- DataCard instance\n            - ``user`` -- DataUser instance\n        Return:\n            - True if a vote is found, False otherwise\n        ' #NEWLINE# return ( cls . get_vote ( user , user ) is not None )