def save(self, filename=None):
        filename = Path(filename) if filename is not None else self.filename
        with filename.open("w") as f:
            f.write(self.yaml)
def clone_results_repo(dest_dir):
    subprocess.check_call(
        ["git", "clone", "https://github.com/elopio/autopkgtest-results.git", dest_dir]
    )