message: uct planner example import error info
diff: @@ -9,10 +9,13 @@ from modules.runtime.commons.parameters import ParameterServer
  from modules.runtime.viewer.matplotlib_viewer import MPViewer
  from modules.runtime.viewer.video_renderer import VideoRenderer
  import os
  +behavior_used = None
  try:
  from bark.models.behavior import BehaviorUCTSingleAgent
  -except RuntimeError:
  - RuntimeError("BehaviorUCTSingleAgent not available, using ConstantVelocityModel")
  + behavior_used = BehaviorUCTSingleAgent
  +except:
  + print("BehaviorUCTSingleAgent not available, rerun example with `bazel run //examples:uct_planner --define planner_uct=true ")
  + exit()
  scenario_param_file ="uct_planner.json" # must be within examples params folder
  param_server = ParameterServer(filename= os.path.join("examples/params/",scenario_param_file))
  @@ -40,4 +43,4 @@ for _ in range(0, 40): # run scenario for 100 steps
  video_renderer.drawWorld(world_state, scenario._eval_agent_ids)
  world_state.do_execution(sim_step_time)
  -video_renderer.export_video(filename="examples/scenarios/test_video_intermediate", remove_image_dir=False)
  +video_renderer.export_video(filename="examples/scenarios/test_video_intermediate", remove_image_dir=True)
  