def set_parameters(self, **args):
not_used = set()<EOL>not_given = set()<EOL>for p in self.processors:<EOL><INDENT>nu, ng = p.set_parameters(**args)<EOL>not_used = not_used.union(nu)<EOL>not_given = not_given.union(ng)<EOL><DEDENT>return not_used, not_given<EOL>
sets to all wrapped processors