code: def fetch(self, detach=True):
      from dvc.daemon import daemon
  
      if detach:
          daemon(["updater"])
          return
  
      self._with_lock(self._get_latest_version, "fetching")
  
file_path: dvc/dvc/updater.py
imports: import os
  import time
  from typing import TYPE_CHECKING, Optional
  from packaging import version
  from dvc import PKG, __version__
  from dvc.env import DVC_UPDATER_ENDPOINT
  from dvc.log import logger
label_desc: Use image node_id 6 for calling the Updater obj's underlying member method code with example usage: obj.fetch(detach) without return types