code: def run(self):
      from dvc.repo import Repo
  
      try:
          repo = Repo()
          repo.close()
      except NotDvcRepoError:
          return 0
  
      return self._run()
  
imports: import os
  from dvc.cli import formatter
  from dvc.cli.command import CmdBaseNoRepo
  from dvc.exceptions import NotDvcRepoError
  from dvc.log import logger
label_desc: Use image node_id 1 for calling the CmdHookBase obj's underlying member method code with example usage: obj.run() and returns: self, int