[cleanup] Minor fixes

Closes #5129, Closes #4982

yt_dlp/extractor/common.py

@@ -1862,7 +1862,7 @@ class InfoExtractor:
                     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')

yt_dlp/extractor/spotify.py

@@ -16,6 +16,7 @@ from ..utils import (
 
 
 class SpotifyBaseIE(InfoExtractor):
+    _WORKING = False
     _ACCESS_TOKEN = None
     _OPERATION_HASHES = {
         'Episode': '8276d4423d709ae9b68ec1b74cc047ba0f7479059a37820be730f125189ac2bf',

yt_dlp/extractor/youtube.py

@@ -390,6 +390,8 @@ class YoutubeBaseInfoExtractor(InfoExtractor):
         'si', 'th', 'lo', 'my', 'ka', 'am', 'km', 'zh-CN', 'zh-TW', 'zh-HK', 'ja', 'ko'
     ]
 
+    _IGNORED_WARNINGS = {'Unavailable videos will be hidden during playback'}
+
     @functools.cached_property
     def _preferred_lang(self):
         """
@@ -692,12 +694,11 @@ class YoutubeBaseInfoExtractor(InfoExtractor):
                     yield alert_type, message
 
     def _report_alerts(self, alerts, expected=True, fatal=True, only_once=False):
-        errors = []
-        warnings = []
+        errors, warnings = [], []
         for alert_type, alert_message in alerts:
             if alert_type.lower() == 'error' and fatal:
                 errors.append([alert_type, alert_message])
-            else:
+            elif alert_message not in self._IGNORED_WARNINGS:
                 warnings.append([alert_type, alert_message])
 
         for alert_type, alert_message in (warnings + errors[:-1]):