5 files changed, 7 insertions, 7 deletions
diff --git a/youtube_dl/extractor/bbc.py b/youtube_dl/extractor/bbc.py
index 0e05b782b..dd65b8d86 100644
--- a/youtube_dl/extractor/bbc.py
+++ b/youtube_dl/extractor/bbc.py
@@ -409,7 +409,7 @@ class BBCCoUkIE(InfoExtractor):
                 description = smp_config['summary']
                 for item in smp_config['items']:
                     kind = item['kind']
-                    if kind != 'programme' and kind != 'radioProgramme':
+                    if kind not in ('programme', 'radioProgramme'):
                         continue
                     programme_id = item.get('vpid')
                     duration = int_or_none(item.get('duration'))
@@ -450,7 +450,7 @@ class BBCCoUkIE(InfoExtractor):
 
         for item in self._extract_items(playlist):
             kind = item.get('kind')
-            if kind != 'programme' and kind != 'radioProgramme':
+            if kind not in ('programme', 'radioProgramme'):
                 continue
             title = playlist.find('./{%s}title' % self._EMP_PLAYLIST_NS).text
             description_el = playlist.find('./{%s}summary' % self._EMP_PLAYLIST_NS)
diff --git a/youtube_dl/extractor/common.py b/youtube_dl/extractor/common.py
index ae8af61de..dcc9d628a 100644
--- a/youtube_dl/extractor/common.py
+++ b/youtube_dl/extractor/common.py
@@ -1779,7 +1779,7 @@ class InfoExtractor(object):
                     if content_type == 'text':
                         # TODO implement WebVTT downloading
                         pass
-                    elif content_type == 'video' or content_type == 'audio':
+                    elif content_type in ('video', 'audio'):
                         base_url = ''
                         for element in (representation, adaptation_set, period, mpd_doc):
                             base_url_e = element.find(_add_ns('BaseURL'))
diff --git a/youtube_dl/extractor/rudo.py b/youtube_dl/extractor/rudo.py
index 51644011e..f036f6757 100644
--- a/youtube_dl/extractor/rudo.py
+++ b/youtube_dl/extractor/rudo.py
@@ -26,7 +26,7 @@ class RudoIE(InfoExtractor):
     }
 
     @classmethod
-    def _extract_url(self, webpage):
+    def _extract_url(cls, webpage):
         mobj = re.search(
             r'<iframe[^>]+src=(?P<q1>[\'"])(?P<url>(?:https?:)?//rudo\.video/vod/[0-9a-zA-Z]+)(?P=q1)',
             webpage)
diff --git a/youtube_dl/extractor/viewlift.py b/youtube_dl/extractor/viewlift.py
index 18735cfb2..1f29c273f 100644
--- a/youtube_dl/extractor/viewlift.py
+++ b/youtube_dl/extractor/viewlift.py
@@ -68,7 +68,7 @@ class ViewLiftEmbedIE(ViewLiftBaseIE):
             type_ = source.get('type')
             ext = determine_ext(file_)
             format_id = source.get('label') or ext
-            if all(v == 'm3u8' or v == 'hls' for v in (type_, ext)):
+            if all(v in ('m3u8', 'hls') for v in (type_, ext)):
                 formats.extend(self._extract_m3u8_formats(
                     file_, video_id, 'mp4', m3u8_id='hls'))
             else:
diff --git a/youtube_dl/extractor/vlive.py b/youtube_dl/extractor/vlive.py
index b9718901b..e58940607 100644
--- a/youtube_dl/extractor/vlive.py
+++ b/youtube_dl/extractor/vlive.py
@@ -70,9 +70,9 @@ class VLiveIE(InfoExtractor):
         status, long_video_id, key = params[2], params[5], params[6]
         status = remove_start(status, 'PRODUCT_')
 
-        if status == 'LIVE_ON_AIR' or status == 'BIG_EVENT_ON_AIR':
+        if status in ('LIVE_ON_AIR', 'BIG_EVENT_ON_AIR'):
             return self._live(video_id, webpage)
-        elif status == 'VOD_ON_AIR' or status == 'BIG_EVENT_INTRO':
+        elif status in ('VOD_ON_AIR', 'BIG_EVENT_INTRO'):
             if long_video_id and key:
                 return self._replay(video_id, webpage, long_video_id, key)
             else: