Revert "removing bad is_live code"

This reverts commit d224fceabca1a391abeadb37d6246428879f1ea1.

youtube_dl/extractor/odnoklassniki.py

@@ -94,6 +94,21 @@ class OdnoklassnikiIE(InfoExtractor):
             'skip_download': True,
         },
         'skip': 'Video has not been found',
+    },{
+        # live video
+        'url': 'https://www.ok.ru/video/1050794925929',
+        'info_dict': {
+            'id': '1050794925929',
+            'title': 're:^Поиск репертуара [0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}$',
+            'ext': 'mp4',
+            'upload_date': u'20190428',
+            'uploader': u'(((((КнЯзЬ ))))',
+            'uploader_id': u'557343776873',
+            'is_live': True
+        },
+        'params': {
+            'skip_download': True,
+        }
     }, {
         'url': 'http://ok.ru/web-api/video/moviePlayer/20079905452',
         'only_matching': True,
@@ -246,6 +261,7 @@ class OdnoklassnikiIE(InfoExtractor):
         assert title
         if provider == 'LIVE_TV_APP':
             info['title'] = self._live_title(title)
+            info['is_live'] = True
 
         quality = qualities(('4', '0', '1', '2', '3', '5'))