#NEWLINE# def __get__( self , instance , model ) : #NEWLINE# #INDENT# if ( ( instance is not None ) and ( instance . pk is None ) ) : #NEWLINE# #INDENT# raise ValueError ( ( '%s objects need to have a primary key value before you can access their tags.' % model . __name__ ) ) #NEWLINE# #UNINDENT# manager = self . manager ( through = self . through , model = model , instance = instance , prefetch_cache_name = self . name ) #NEWLINE# return manager