def _real_extract(self, url):
        mobj = re.match(self._VALID_URL, url)
        video_id = mobj.group('id')
        if video_id is not None:
            all_info = self._download_xml(video_id % 'http://www.nbcnews.com/id/%s/displaymode/1219', video_id)
            info = all_info.find('video')

            return {
                'id': video_id,
                'title': info.find('headline').text,
                'ext': 'flv',
                'url': find_xpath_attr(info, 'media', 'type', 'flashVideo').text,
                'description': compat_str(info.find('caption').text),
                'thumbnail': find_xpath_attr(info, 'media', 'type', 'thumbnail').text,
            }
        else:
            # "feature" pages use theplatform.com
            title = mobj.group('title')
            webpage = self._download_webpage(url, title)
            bootstrap_json = self._search_regex(
                r'var bootstrapJson = ({.+})\s*$', webpage, 'bootstrap json',
                flags=re.MULTILINE)
            bootstrap = json.loads(bootstrap_json)
            info = bootstrap['results'][0]['video']
            mpxid = info['mpxId']

            base_urls = [
                info['fallbackPlaylistUrl'],
                info['associatedPlaylistUrl'],
            ]

            for base_url in base_urls:
                if not base_url:
                    continue
                playlist_url = base_url + '?form=MPXNBCNewsAPI'
                all_videos = self._download_json(playlist_url, title)['videos']

                try:
                    info = next(v for v in all_videos if v['mpxId'] == mpxid)
                    break
                except StopIteration:
                    continue

            if info is None:
                raise ExtractorError('Could not find video in playlists')

            return {
                '_type': 'url',
                # We get the best quality video
                'url': info['videoAssets'][-1]['publicUrl'],
                'ie_key': 'ThePlatform',
            }
dataset/ETHPy150Open yasoob/youtube-dl-GUI/youtube_dl/extractor/nbc.py/NBCNewsIE._real_extract/swapped operands of `%`