alias, field = field, self._get_field_setting(field, 'field')
if self._get_field_setting(alias, 'deprecated'):
self.ydl.deprecated_feature(f'Format sorting alias {alias} is deprecated and may '
- 'be removed in a future version. Please use {field} instead')
+ f'be removed in a future version. Please use {field} instead')
reverse = match.group('reverse') is not None
closest = match.group('separator') == '~'
limit_text = match.group('limit')