def __init__(self, delegate, help="", use_prefix=True):
        if not (isinstance(delegate, type) and issubclass(delegate, HasProps)):
            raise ValueError("expected a subclass of HasProps, got %r" % delegate)

        self.delegate = delegate
        self.help = help
        self.use_prefix = use_prefix
dataset/ETHPy150Open bokeh/bokeh/bokeh/core/properties.py/Include.__init__/original