Error: 'Node not found' when reading Z-Wave door sensor status on SiFive HiFive Unmatched

import openzwave

zwave_network = openzwave.network.ZWaveNetwork(openzwave.options.ZWaveOption("/dev/ttyUSB0"))
zwave_network.start()

try:
    door_sensor = zwave_network.nodes[1]
    door_status = door_sensor.get_sensor_binary_value()
    print(f"Door Status: {door_status}")
except Exception as e:
    print(f"Error reading door status: {e}")
finally:
    zwave_network.stop()