code: def _apply_pre_copy(pre_copy, merge, cf, src, dest):
      if not pre_copy:
          return
      pre_copy(merge, cf, src, dest)
  
imports: from collections import namedtuple
  import errno
  import fnmatch
  import logging
  import os
  import shutil
  from guild import file_util
  from guild import run_manifest
label_desc: Use image node_id 27 for calling a global function with example usage: _apply_pre_copy(pre_copy, merge, cf, src, dest) without return types