Update fetchYoutubeSubtitle.py

fetchYoutubeSubtitle.py

@@ -73,7 +73,7 @@ async def fetchYoutubeSubtitle(videoId: str) -> Dict:
     title, subtitleList, error = result["title"], result["subtitleList"], result.get("error", None)
 
     if not subtitleList or len(subtitleList) <= 0:
-        return {"title": title, "docs": None, "error": error}
+        return {"title": title, "subtitle": None, "error": error}
 
     betterSubtitle = (
         await find(subtitleList, {"quality": "English"})