Plugin cleanup and tweaks

plugins/youtube_download/yt_dlp/extractor/mixcloud.py

@@ -1,15 +1,11 @@
-from __future__ import unicode_literals
-
 import itertools
 
 from .common import InfoExtractor
 from ..compat import (
     compat_b64decode,
-    compat_chr,
     compat_ord,
     compat_str,
     compat_urllib_parse_unquote,
-    compat_zip
 )
 from ..utils import (
     ExtractorError,
@@ -75,8 +71,8 @@ class MixcloudIE(MixcloudBaseIE):
     def _decrypt_xor_cipher(key, ciphertext):
         """Encrypt/Decrypt XOR cipher. Both ways are possible because it's XOR."""
         return ''.join([
-            compat_chr(compat_ord(ch) ^ compat_ord(k))
-            for ch, k in compat_zip(ciphertext, itertools.cycle(key))])
+            chr(compat_ord(ch) ^ compat_ord(k))
+            for ch, k in zip(ciphertext, itertools.cycle(key))])
 
     def _real_extract(self, url):
         username, slug = self._match_valid_url(url).groups()
@@ -163,6 +159,7 @@ class MixcloudIE(MixcloudBaseIE):
                 formats.append({
                     'format_id': 'http',
                     'url': decrypted,
+                    'vcodec': 'none',
                     'downloader_options': {
                         # Mixcloud starts throttling at >~5M
                         'http_chunk_size': 5242880,
@@ -172,8 +169,6 @@ class MixcloudIE(MixcloudBaseIE):
         if not formats and cloudcast.get('isExclusive'):
             self.raise_login_required(metadata_available=True)
 
-        self._sort_formats(formats)
-
         comments = []
         for edge in (try_get(cloudcast, lambda x: x['comments']['edges']) or []):
             node = edge.get('node') or {}