code: def process(self, *args, **kargs):
      for _ in range(2):
          self.publish_func(self.worker_id)
  
imports: from time import sleep
  from petastorm.workers_pool.worker_base import WorkerBase
label_desc: Use image node_id 1 for calling the WorkerMultiIdGeneratingWorker obj's underlying member method code with example usage: obj.process() without return types