def METHOD_NAME(
    inputs: list[float],
) -> None:
    # Arrange
    synthetic = SyntheticInstrument(
        symbol=Symbol("BTC-ETH"),
        price_precision=8,
        components=[BTCUSDT_BINANCE.id, ETHUSDT_BINANCE.id],
        formula="(BTCUSDT.BINANCE + ETHUSDT.BINANCE) / 2",
        ts_event=0,
        ts_init=0,
    )
    # Act, Assert
    with pytest.raises(ValueError):
        synthetic.calculate(inputs)