def METHOD_NAME(self, name):
    """See BaseTask.paths.
    """
    props = self.name_split(name)
    camera = "{}{}".format(props["band"], props["spec"])
    return [ findfile("preproc", night=props["night"], expid=props["expid"],
        camera=camera, groupname=None, nside=None, band=props["band"],
        spectrograph=props["spec"]) ]