#NEWLINE# @ abc . abstractmethod #NEWLINE# def apply_fit_filters( self , choosers , alternatives ) : #NEWLINE# #INDENT# choosers = util . apply_filter_query ( self , self . choosers_fit_filters ) #NEWLINE# alternatives = util . apply_filter_query ( alternatives , self . alts_fit_filters ) #NEWLINE# return ( choosers , alternatives )