[ie/altcensored:channel] Fix playlist extraction (#9297)

Authored by: marcdumais

yt_dlp/extractor/altcensored.py

@@ -22,7 +22,7 @@ class AltCensoredIE(InfoExtractor):
             'title': "QUELLES SONT LES CONSÉQUENCES DE L'HYPERSEXUALISATION DE LA SOCIÉTÉ ?",
             'display_id': 'k0srjLSkga8.webm',
             'release_date': '20180403',
-            'creator': 'Virginie Vota',
+            'creators': ['Virginie Vota'],
             'release_year': 2018,
             'upload_date': '20230318',
             'uploader': 'admin@altcensored.com',
@@ -32,7 +32,7 @@ class AltCensoredIE(InfoExtractor):
             'duration': 926.09,
             'thumbnail': 'https://archive.org/download/youtube-k0srjLSkga8/youtube-k0srjLSkga8.thumbs/k0srjLSkga8_000925.jpg',
             'view_count': int,
-            'categories': ['News & Politics'],
+            'categories': ['News & Politics'],  # FIXME
         }
     }]
 
@@ -62,14 +62,21 @@ class AltCensoredChannelIE(InfoExtractor):
             'title': 'Virginie Vota',
             'id': 'UCFPTO55xxHqFqkzRZHu4kcw',
         },
-        'playlist_count': 91
+        'playlist_count': 85,
     }, {
         'url': 'https://altcensored.com/channel/UC9CcJ96HKMWn0LZlcxlpFTw',
         'info_dict': {
             'title': 'yukikaze775',
             'id': 'UC9CcJ96HKMWn0LZlcxlpFTw',
         },
-        'playlist_count': 4
+        'playlist_count': 4,
+    }, {
+        'url': 'https://altcensored.com/channel/UCfYbb7nga6-icsFWWgS-kWw',
+        'info_dict': {
+            'title': 'Mister Metokur',
+            'id': 'UCfYbb7nga6-icsFWWgS-kWw',
+        },
+        'playlist_count': 121,
     }]
 
     def _real_extract(self, url):
@@ -78,7 +85,7 @@ class AltCensoredChannelIE(InfoExtractor):
             url, channel_id, 'Download channel webpage', 'Unable to get channel webpage')
         title = self._html_search_meta('altcen_title', webpage, 'title', fatal=False)
         page_count = int_or_none(self._html_search_regex(
-            r'<a[^>]+href="/channel/\w+/page/(\d+)">(?:\1)</a>',
+            r'<a[^>]+href="/channel/[\w-]+/page/(\d+)">(?:\1)</a>',
             webpage, 'page count', default='1'))
 
         def page_func(page_num):