code: def is_job_complete(job_id, conn=None):
      
      result = False
      job = RBJ.get(job_id).run(conn)
      if job and job.get(STATUS_FIELD) in COMPLETED:
          result = job
      return result
docs: is_job_done function checks to if Brain.Jobs Status is Completed
  
      Completed is defined in statics as Done|Stopped|Error
  
      :param job_id: <str> id for the job
      :param conn: (optional)<connection> to run on
      :return: <dict> if job is done <false> if