code: def collision_callback(self, event, event_list):
      event_list.append(event)
  
file_path: carla/PythonAPI/test/smoke/test_collision_sensor.py
imports: from .None import SyncSmokeTest
  import carla
label_desc: Use image node_id 2 for calling the TestCollisionSensor obj's underlying member method code with example usage: obj.collision_callback(event, event_list) without return types