def __init__(self, name, filename=None):
        self.name = name
        super(NamedRequirements, self).__init__(filename=filename)
def __init__(self, matchers):
        m1 = matchers[0]
        super(unionmatcher, self).__init__(m1._root, m1._cwd)
        self.traversedir = m1.traversedir
        self._matchers = matchers