def __init__(self, urlaccessor, doc=None, dolater=None, keep=None):
        if doc is not None:
            self.__doc__ = doc
        self.urlaccessor = urlaccessor
        if dolater is None:
            dolater= []
        self.dolater = dolater
        if keep is None:
            keep = []
        self._keep = keep
Testing formality to make sure our diaper does not hide our
dataset/ETHPy150Open twisted/nevow/nevow/url.py/URLOverlay.__init__--crossover with--dataset/ETHPy150Open SMFOSS/CheesePrism/tests/test_pipext.py/TestReqDownloaderHandler.test_typeerror_raise