class_docstr: SumoSimulation is responsible for the management of the sumo simulation.
class_docstr_tok: ["SumoSimulation","is","responsible","for","the","management","of","the","sumo","simulation","."]
code: def traffic_light_ids(self):
      return self.traffic_light_manager.get_all_landmarks()
  
imports: import collections
  import enum
  import logging
  import os
  import carla
  import sumolib
  import traci
  from .constants import INVALID_ACTOR_ID
  import lxml.etree
label_desc: Use image node_id 2 for calling the SumoSimulation obj's underlying member method code with example usage: obj.traffic_light_ids() and returns: self