code: def _job_queue_empty(self):
          
  
          self._iteratively_clean_pending_exits()
  
          while self._pending_jobs:
              # We don't have any exits remaining. Let's pop out a pending exit
              pending_job = self._get_one_pending_job()
              if pending_job is None:
                  continue
  
              self._insert_job(pending_job)
              self._register_analysis_job(pending_job.func_addr, pending_job)
              break
docs: A callback method called when the job queue is empty.
  
          :return: None