#NEWLINE# def get_choices_add( self , qs ) : #NEWLINE# #INDENT# "\n        Called by 'get_choices', this is usually the one to override.\n        " #NEWLINE# count_dict = self . get_values_counts ( qs ) #NEWLINE# return [ FilterChoice ( self . render_choice_object ( val ) , count , self . build_params ( add = count_dict ) , FILTER_ADD ) for ( val , count ) in count_dict . items ( ) for val in ( ( NullChoice if ( val is None ) else val ) , ) ]