def _report_body(*, image: str, repo: str, run: str, stacktrace: str) -> str:
    """Format the error report."""
    return (
        f"Repo: {repo}\n"
        f"Run URL: {run}\n"
        f"Image ID: {image}\n"
        f"Stacktrace:\n```py\n{stacktrace}\n```\n"
    )