def clean_semver(cls, version_spec):
        return re.sub(r"([<>=~])\s+?v?", "\\1", version_spec, re.IGNORECASE)
def check_fresh_login():
    """Checks if the login is fresh for the current user, otherwise the user
    has to reauthenticate."""
    if not login_fresh():
        return current_app.login_manager.needs_refresh()