def coerce(cls, string):
        """Create a :class:`Requirement` object from a given package spec."""
        match = re.match(cls.spec_regex, string)
        if not match:
            raise InvalidRequirementSpecError("could not parse requirement")
        package = match.group(1)
        if all(match.group(2, 3)):
            version = "".join(match.group(2, 3))
        else:
            version = None
        return cls(package, version)
def format_results(dest_dir, distros, day):
    subprocess.check_call(
        [
            "/snap/bin/autopkgtest-results-formatter",
            "--destination",
            dest_dir,
            "--distros",
            *distros,
            "--day",
            day,
        ]
    )