code: def init_scene(self, prefix, settings=None, spectator_tr=None):
      super(CarWalkerCollision, self).init_scene(
          prefix, settings, spectator_tr
      )
  
      blueprint_library = self.world.get_blueprint_library()
  
      car_bp = blueprint_library.filter("mkz_2017")[0]
      walker_bp = blueprint_library.filter("walker.pedestrian.0007")[0]
      if walker_bp.has_attribute("is_invincible"):
          walker_bp.set_attribute("is_invincible", "false")
  
      car_tr = carla.Transform(
          carla.Location(50, -255, 0.04), carla.Rotation(yaw=0)
      )
      walker_tr = carla.Transform(
          carla.Location(85, -255, 1.00), carla.Rotation(yaw=-90)
      )
  
      batch = [
          SpawnActor(car_bp, car_tr).then(
              ApplyTargetVelocity(FutureActor, carla.Vector3D(20, 0, 0))
          ),
          SpawnActor(walker_bp, walker_tr),
      ]
  
      responses = self.client.apply_batch_sync(batch)
  
      veh_ids = [x.actor_id for x in responses]
      veh_refs = [self.world.get_actor(x) for x in veh_ids]
  
      if (0 in veh_ids) or (None in veh_refs):
          self.fail(
              "%s: The test cars could not be correctly spawned"
              % (bp_veh.id)
          )
  
      self.wait(1)
  
      self.add_actor(veh_refs[0], "Car")
      self.add_actor(veh_refs[1], "Walker")
  
      self.wait(1)
  
imports: from .None import SmokeTest
  import carla
  import time
  import numpy
  import filecmp
  import shutil
  import os
label_desc: Use image node_id 1 for calling the CarWalkerCollision obj's underlying member method code with example usage: obj.init_scene(prefix, settings, spectator_tr) without return types