make findall pattern more robust

yt_dlp/extractor/goplay.py

@@ -39,12 +39,12 @@ class GoPlayIE(InfoExtractor):
         'params': {'skip_download': True},
         'skip': 'This video is only available for registered users',
     }, {
-        'url': 'https://www.goplay.be/video/fantastic-beasts-the-secrets-of-dumbledore',
+        'url': 'https://www.goplay.be/video/1917',
         'info_dict': {
-            'id': '046a91f1-db9c-41ff-8652-d35881ea72c4',
+            'id': '40cac41d-8d29-4ef5-aa11-75047b9f0907',
             'ext': 'mp4',
-            'title': 'Fantastic Beasts: The Secrets of Dumbledore',
+            'title': '1917',
-            'description': r're:Professor Albus Dumbledore ontdekt dat de duistere tovenaar .{132}',
+            'description': r're:Op het hoogtepunt van de Eerste Wereldoorlog krijgen twee jonge .{94}',
         },
         'params': {'skip_download': True},
         'skip': 'This video is only available for registered users',
@@ -78,14 +78,14 @@ class GoPlayIE(InfoExtractor):
 
     def _find_json(self, s):
         return self._search_json(
-            r'\w+\s*:\s*', s, 'next js data', None, contains_pattern=r'\[(?s:.+)\]', default=[])
+            r'\w+\s*:\s*', s, 'next js data', None, contains_pattern=r'\[(?s:.+)\]', default=None)
 
     def _real_extract(self, url):
         display_id = self._match_id(url)
         webpage = self._download_webpage(url, display_id)
 
         nextjs_data = traverse_obj(
-            re.findall(r'<script>\s*self\.__next_f\.push\(\s*(\[.+?\])\s*\)\s*</script>', webpage),
+            re.findall(r'<script[^>]*>\s*self\.__next_f\.push\(\s*(\[.+?\])\s*\);?\s*</script>', webpage),
             (..., {js_to_json}, {json.loads}, ..., {self._find_json}, ...))
         meta = traverse_obj(nextjs_data, (
             ..., lambda _, v: v['meta']['path'] == urllib.parse.urlparse(url).path, 'meta', any))