Plugin cleanup and tweaks

plugins/youtube_download/yt_dlp/extractor/huffpost.py

@@ -1,5 +1,3 @@
-from __future__ import unicode_literals
-
 import re
 
 from .common import InfoExtractor
@@ -19,6 +17,7 @@ class HuffPostIE(InfoExtractor):
             HPLEmbedPlayer/\?segmentId=
         )
         (?P<id>[0-9a-f]+)'''
+    _EMBED_REGEX = [r'<iframe[^>]+?src=(["\'])(?P<url>https?://embed\.live\.huffingtonpost\.com/.+?)\1']
 
     _TEST = {
         'url': 'http://live.huffingtonpost.com/r/segment/legalese-it/52dd3e4b02a7602131000677',
@@ -80,11 +79,6 @@ class HuffPostIE(InfoExtractor):
                     'vcodec': 'none' if key.startswith('audio/') else None,
                 })
 
-        if not formats and data.get('fivemin_id'):
-            return self.url_result('5min:%s' % data['fivemin_id'])
-
-        self._sort_formats(formats)
-
         return {
             'id': video_id,
             'title': video_title,