#NEWLINE# def __new__( cls , name , bases , attrs ) : #NEWLINE# #INDENT# new_class = super ( SubfieldBase , cls ) . __new__ ( cls , name , bases , attrs ) #NEWLINE# new_class . contribute_to_class = make_contrib ( new_class , attrs . get ( 'contribute_to_class' ) ) #NEWLINE# return new_class