fix

Co-authored-by: bashonly <88596187+bashonly@users.noreply.github.com>

yt_dlp/extractor/twitter.py

@@ -1605,6 +1605,7 @@ class TwitterBroadcastIE(TwitterBaseIE, PeriscopeBaseIE):
             'id': '1yNGaQLWpejGj',
             'ext': 'mp4',
             'title': 'Andrea May Sahouri - Periscope Broadcast',
+            'display_id': '1yNGaQLWpejGj',
             'uploader': 'Andrea May Sahouri',
             'uploader_id': 'andreamsahouri',
             'uploader_url': 'https://twitter.com/andreamsahouri',
@@ -1621,6 +1622,7 @@ class TwitterBroadcastIE(TwitterBaseIE, PeriscopeBaseIE):
             'id': '1ZkKzeyrPbaxv',
             'ext': 'mp4',
             'title': 'Starship | SN10 | High-Altitude Flight Test',
+            'display_id': '1ZkKzeyrPbaxv',
             'uploader': 'SpaceX',
             'uploader_id': 'SpaceX',
             'uploader_url': 'https://twitter.com/SpaceX',
@@ -1637,6 +1639,7 @@ class TwitterBroadcastIE(TwitterBaseIE, PeriscopeBaseIE):
             'id': '1OyKAVQrgzwGb',
             'ext': 'mp4',
             'title': 'Starship Flight Test',
+            'display_id': '1OyKAVQrgzwGb',
             'uploader': 'SpaceX',
             'uploader_id': 'SpaceX',
             'uploader_url': 'https://twitter.com/SpaceX',
@@ -1677,7 +1680,7 @@ class TwitterBroadcastIE(TwitterBaseIE, PeriscopeBaseIE):
                 f'live_event/1/{display_id}/timeline.json', display_id)
             broadcast_id = traverse_obj(timeline, (
                 'twitter_objects', 'broadcasts', ..., ('id', 'broadcast_id'),
-                {str_or_none}, any, {require('broadcast ID')}))
+                {str}, any, {require('broadcast ID')}))
         else:
             broadcast_id = display_id