[cleanup] Minor cleanup

Closes #1696, Closes #1673

yt_dlp/extractor/francetv.py

@@ -185,7 +185,7 @@ class FranceTVIE(InfoExtractor):
                 'vcodec': 'none',
                 'ext': 'mhtml',
                 'protocol': 'mhtml',
-                'url': 'about:dummy',
+                'url': 'about:invalid',
                 'fragments': [{
                     'path': sheet,
                     # XXX: not entirely accurate; each spritesheet seems to be

yt_dlp/extractor/funimation.py

@@ -276,7 +276,7 @@ class FunimationIE(FunimationBaseIE):
     def _get_subtitles(self, subtitles, experience_id, episode, display_id, format_name):
         if isinstance(episode, str):
             webpage = self._download_webpage(
-                f'https://www.funimation.com/player/{experience_id}', display_id,
+                f'https://www.funimation.com/player/{experience_id}/', display_id,
                 fatal=False, note=f'Downloading player webpage for {format_name}')
             episode, _, _ = self._get_episode(webpage, episode_id=episode, fatal=False)
 

yt_dlp/extractor/linkedin.py

@@ -109,7 +109,7 @@ class LinkedInIE(LinkedInBaseIE):
         description = clean_html(get_element_by_class('share-update-card__update-text', webpage))
         like_count = int_or_none(get_element_by_class('social-counts-reactions__social-counts-numRections', webpage))
         creator = strip_or_none(clean_html(get_element_by_class('comment__actor-name', webpage)))
-        
+
         sources = self._parse_json(extract_attributes(self._search_regex(r'(<video[^>]+>)', webpage, 'video'))['data-sources'], video_id)
         formats = [{
             'url': source['src'],

yt_dlp/extractor/pbs.py

@@ -193,7 +193,7 @@ class PBSIE(InfoExtractor):
            # Article with embedded player (or direct video)
            (?:www\.)?pbs\.org/(?:[^/]+/){1,5}(?P<presumptive_id>[^/]+?)(?:\.html)?/?(?:$|[?\#]) |
            # Player
-           (?:video|player)\.pbs\.org/(?:widget/)?partnerplayer/(?P<player_id>[^/]+)/
+           (?:video|player)\.pbs\.org/(?:widget/)?partnerplayer/(?P<player_id>[^/]+)
         )
     ''' % '|'.join(list(zip(*_STATIONS))[0])
 

yt_dlp/extractor/tenplay.py

@@ -58,7 +58,7 @@ class TenPlayIE(InfoExtractor):
             'email': username,
             'password': password,
         }))
-        return "Bearer " + data['jwt']['accessToken']
+        return 'Bearer ' + data['jwt']['accessToken']
 
     def _real_extract(self, url):
         content_id = self._match_id(url)

yt_dlp/extractor/youtube.py

@@ -508,9 +508,9 @@ class YoutubeBaseInfoExtractor(InfoExtractor):
         Extracts visitorData from an API response or ytcfg
         Appears to be used to track session state
         """
-        return traverse_obj(
-            args, (..., ('VISITOR_DATA', ('INNERTUBE_CONTEXT', 'client', 'visitorData'), ('responseContext', 'visitorData'))),
-            expected_type=compat_str, get_all=False)
+        return get_first(
+            args, (('VISITOR_DATA', ('INNERTUBE_CONTEXT', 'client', 'visitorData'), ('responseContext', 'visitorData'))),
+            expected_type=str)
 
     @property
     def is_authenticated(self):
@@ -1674,7 +1674,20 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
             # shorts
             'url': 'https://www.youtube.com/shorts/BGQWPY4IigY',
             'only_matching': True,
-        },
+        }, {
+            'note': 'Storyboards',
+            'url': 'https://www.youtube.com/watch?v=5KLPxDtMqe8',
+            'info_dict': {
+                'id': '5KLPxDtMqe8',
+                'ext': 'mhtml',
+                'format_id': 'sb0',
+                'title': 'Your Brain is Plastic',
+                'uploader_id': 'scishow',
+                'description': 'md5:89cd86034bdb5466cd87c6ba206cd2bc',
+                'upload_date': '20140324',
+                'uploader': 'SciShow',
+            }, 'params': {'format': 'mhtml', 'skip_download': True}
+        }
     ]
 
     @classmethod
@@ -1920,9 +1933,9 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
         return sts
 
     def _mark_watched(self, video_id, player_responses):
-        playback_url = traverse_obj(
-            player_responses, (..., 'playbackTracking', 'videostatsPlaybackUrl', 'baseUrl'),
-            expected_type=url_or_none, get_all=False)
+        playback_url = get_first(
+            player_responses, ('playbackTracking', 'videostatsPlaybackUrl', 'baseUrl'),
+            expected_type=url_or_none)
         if not playback_url:
             self.report_warning('Unable to mark watched')
             return