Fix code error

fetchYoutubeSubtitle.py

@@ -26,7 +26,7 @@ def getSubtitle(url: str, lang: Optional[str] = 'en', vttType="vtt") -> Optional
             with ydl.urlopen(subtitle_url) as subtitle:
                 return subtitle.read().decode()
         if info_dict.get("automatic_captions"):
-            subtitle_url = getVttUrlFromSubtitles(info_dict.get("automatic_captions"), , lang, vttType)
+            subtitle_url = getVttUrlFromSubtitles(info_dict.get("automatic_captions"), lang, vttType)
             with ydl.urlopen(subtitle_url) as subtitle:
                 return subtitle.read().decode()
     return None