code: def _missing_dvc_yaml_error(project_dir):
      raise SystemExit(
          f"invalid DvC config directory '{project_dir}' - missing dvc.yaml"
      )
  
imports: import argparse
  import logging
  import os
  import subprocess
  import yaml
  from guild import op_util
  from guild import run
  from guild import run_manifest
  from guild import summary
  from guild import util
  from .None import dvc_util
label_desc: Use image node_id 7 for calling a global function with example usage: _missing_dvc_yaml_error(project_dir) without return types