def evaluate_lazy_format(f):
    """Marks a method on Settings instance to
    lazily evaluate LazyFormat objects upon access."""

    @wraps(f)
    def evaluate(settings, *args, **kwargs):
        value = f(settings, *args, **kwargs)
        return recursively_evaluate_lazy_format(value, settings)

    return evaluate
Marks a method on Settings instance to
    lazily evaluate LazyFormat objects upon access.
dynaconf/utils/parse_conf.py