code: def is_correct(self):
      return self.error is None
  
imports: from .None import SyncSmokeTest
  from .None import SmokeTest
  import carla
  import time
  import math
  import numpy
  from enum import Enum
  from queue import Queue
  from queue import Empty
label_desc: Use image node_id 4 for calling the Sensor obj's underlying member method code with example usage: obj.is_correct() and returns: unknown