code: def default_job_name(self):
          
          name = ''
          if not self.root.existing_campaign:
              campaign_file = osp.basename(self.root.campaign_file)
              campaign = osp.splitext(campaign_file)[0]
              name += campaign + '/'
          name += self.tag
          return name
docs: Slurm job name if not already specified
          in the `sbatch` section