code: def _guildfile_desc(gf):
      pkg = gf.package
      if pkg is None:
          return None
      return f"the '{pkg.name}' package"
  
file_path: guildai/guild/commands/help_impl.py
imports: import click
  from guild import cli
  from guild import cmd_impl_support
  from guild import help
label_desc: Use image node_id 3 for calling a global function with example usage: _guildfile_desc(gf) and returns: str, pkg, str, None