@classmethod
def get_defaults(cls, n):
    if (n in cls._defaults):
        return cls._defaults[n]
    else:
        return (("Unrecognized attribute name '" + n) + "'")
@classmethod
def get_defaults(cls, n):
    if (n in cls._defaults):
        return cls._defaults[n]
    else:
        return (("Unrecognized attribute name '" + n) + "'")