def load(self, filename, create_if_missing=True):
        filename = Path(filename)
        if not filename.exists() and create_if_missing:
            self.load_pip_requirements()
            with filename.open("w") as f:
                f.write(yaml.dump(self.serialized, default_flow_style=False,
                                  encoding=None))
            self.filename = filename
            return self.save(filename)
        with filename.open() as f:
            for group, requirements in yaml.load(f.read()).items():
                for requirement in requirements:
                    self[group].add(Requirement.coerce(requirement))
        self.filename = filename
def format_results(dest_dir, distros, day):
    subprocess.check_call(
        [
            "/snap/bin/autopkgtest-results-formatter",
            "--destination",
            dest_dir,
            "--distros",
            *distros,
            "--day",
            day,
        ]
    )