Plugin cleanup and tweaks

plugins/youtube_download/yt_dlp/extractor/megatvcom.py

@@ -1,6 +1,3 @@
-# coding: utf-8
-from __future__ import unicode_literals
-
 import re
 
 from .common import InfoExtractor
@@ -90,7 +87,6 @@ class MegaTVComIE(MegaTVComBaseIE):
             formats, subs = [{'url': source}], {}
         if player_attrs.get('subs'):
             self._merge_subtitles({'und': [{'url': player_attrs['subs']}]}, target=subs)
-        self._sort_formats(formats)
         return {
             'id': video_id,
             'display_id': display_id,
@@ -107,7 +103,7 @@ class MegaTVComEmbedIE(MegaTVComBaseIE):
     IE_NAME = 'megatvcom:embed'
     IE_DESC = 'megatv.com embedded videos'
     _VALID_URL = r'(?:https?:)?//(?:www\.)?megatv\.com/embed/?\?p=(?P<id>\d+)'
-    _EMBED_RE = re.compile(rf'''<iframe[^>]+?src=(?P<_q1>["'])(?P<url>{_VALID_URL})(?P=_q1)''')
+    _EMBED_REGEX = [rf'''<iframe[^>]+?src=(?P<_q1>["'])(?P<url>{_VALID_URL})(?P=_q1)''']
 
     _TESTS = [{
         'url': 'https://www.megatv.com/embed/?p=2020520979',
@@ -137,11 +133,6 @@ class MegaTVComEmbedIE(MegaTVComBaseIE):
         },
     }]
 
-    @classmethod
-    def _extract_urls(cls, webpage):
-        for mobj in cls._EMBED_RE.finditer(webpage):
-            yield unescapeHTML(mobj.group('url'))
-
     def _match_canonical_url(self, webpage):
         LINK_RE = r'''(?x)
         <link(?: