code: def init_scene(self, prefix, settings=None, spectator_tr=None):
      self.prefix = prefix
      self.actor_list = []
      self.active = True
      self.snapshots = []
  
      self.reload_world(settings, spectator_tr)
  
      # Init timestamp
      world_snapshot = self.world.get_snapshot()
      self.init_timestamp = {
          "frame0": world_snapshot.frame,
          "time0": world_snapshot.timestamp.elapsed_seconds,
      }
  
imports: import glob
  import os
  import sys
  import argparse
  import time
  import filecmp
  import shutil
  import numpy
  import carla
label_desc: Use image node_id 2 for calling the Scenario obj's underlying member method code with example usage: obj.init_scene(prefix, settings, spectator_tr) without return types