code: def _move(src, dest):
      util.ensure_dir(os.path.dirname(dest))
      log.debug("moving %s to %s", src, dest)
      if os.path.exists(dest):
          _move_to_backup(dest)
      shutil.move(src, dest)
  
imports: import errno
  import functools
  import logging
  import os
  import shutil
  import tempfile
  from guild import config
  from guild import run
  from guild import util
label_desc: Use image node_id 28 for calling a global function with example usage: _move(src, dest) without return types