diff --git a/youtube_dl/extractor/wdr.py b/youtube_dl/extractor/wdr.py
index e8511398c..a851578e0 100644
--- a/youtube_dl/extractor/wdr.py
+++ b/youtube_dl/extractor/wdr.py
@@ -108,7 +108,9 @@ class WDRIE(InfoExtractor):
         if mobj.group('player') is None:
             entries = [
                 self.url_result(page_url + href, 'WDR')
-                for href in re.findall(r'<a href="/?(.+?%s\.html)" rel="nofollow"' % self._PLAYER_REGEX, webpage)
+                for href in re.findall(
+                    r'<a href="/?(.+?%s\.html)" rel="nofollow"' % self._PLAYER_REGEX,
+                    webpage)
             ]
 
             if entries:  # Playlist page
@@ -133,8 +135,8 @@ class WDRIE(InfoExtractor):
                     note='Downloading playlist page %d' % page_num)
             return self.playlist_result(entries, page_id)
 
-        flashvars = compat_parse_qs(
-            self._html_search_regex(r'<param name="flashvars" value="([^"]+)"', webpage, 'flashvars'))
+        flashvars = compat_parse_qs(self._html_search_regex(
+            r'<param name="flashvars" value="([^"]+)"', webpage, 'flashvars'))
 
         page_id = flashvars['trackerClipId'][0]
         video_url = flashvars['dslSrc'][0]
@@ -148,7 +150,8 @@ class WDRIE(InfoExtractor):
         if 'trackerClipAirTime' in flashvars:
             upload_date = flashvars['trackerClipAirTime'][0]
         else:
-            upload_date = self._html_search_meta('DC.Date', webpage, 'upload date')
+            upload_date = self._html_search_meta(
+                'DC.Date', webpage, 'upload date')
 
         if upload_date:
             upload_date = unified_strdate(upload_date)
@@ -157,12 +160,15 @@ class WDRIE(InfoExtractor):
         preference = qualities(['S', 'M', 'L', 'XL'])
 
         if video_url.endswith('.f4m'):
-            formats.extend(self._extract_f4m_formats(video_url + '?hdcore=3.2.0&plugin=aasp-3.2.0.77.18', page_id, f4m_id='hds', fatal=False))
+            formats.extend(self._extract_f4m_formats(
+                video_url + '?hdcore=3.2.0&plugin=aasp-3.2.0.77.18', page_id,
+                f4m_id='hds', fatal=False))
         elif video_url.endswith('.smil'):
-            formats.extend(self._extract_smil_formats(video_url, page_id, False, {
-                'hdcore': '3.3.0',
-                'plugin': 'aasp-3.3.0.99.43',
-            }))
+            formats.extend(self._extract_smil_formats(
+                video_url, page_id, False, {
+                    'hdcore': '3.3.0',
+                    'plugin': 'aasp-3.3.0.99.43',
+                }))
         else:
             formats.append({
                 'url': video_url,
@@ -171,11 +177,16 @@ class WDRIE(InfoExtractor):
                 },
             })
 
-        m3u8_url = self._search_regex(r'rel="adaptiv"[^>]+href="([^"]+)"', webpage, 'm3u8 url', default=None)
+        m3u8_url = self._search_regex(
+            r'rel="adaptiv"[^>]+href="([^"]+)"',
+            webpage, 'm3u8 url', default=None)
         if m3u8_url:
-            formats.extend(self._extract_m3u8_formats(m3u8_url, page_id, 'mp4', 'm3u8_native', m3u8_id='hls', fatal=False))
+            formats.extend(self._extract_m3u8_formats(
+                m3u8_url, page_id, 'mp4', 'm3u8_native',
+                m3u8_id='hls', fatal=False))
 
-        direct_urls = re.findall(r'rel="web(S|M|L|XL)"[^>]+href="([^"]+)"', webpage)
+        direct_urls = re.findall(
+            r'rel="web(S|M|L|XL)"[^>]+href="([^"]+)"', webpage)
         if direct_urls:
             for quality, video_url in direct_urls:
                 formats.append({