code: def _on_merge_copy(_merge, copy_file, _src, _dest):
      cli.out(f"Copying {copy_file.target_path}", err=True)
  
imports: import os
  from guild import cli
  from guild import cmd_impl_support
  from guild import config
  from guild import exit_code
  from guild import run_merge
  from guild import run_util
  from guild import util
  from guild import vcs_util
  from .None import runs_impl
label_desc: Use image node_id 36 for calling a global function with example usage: _on_merge_copy(_merge, copy_file, _src, _dest) without return types