def METHOD_NAME():
    scalar_type = pt.dscalar if pytensor.config.floatX == "float64" else pt.fscalar
    @as_op(itypes=[scalar_type], otypes=[scalar_type])
    def arbitrary_det(value):
        return value
    with Model() as model:
        a = Normal("a")
        b = arbitrary_det(a)
        Normal("obs", mu=b.astype("float64"), observed=floatX_array([1, 3, 5]))
    return model.initial_point(), model