Update app.py

app.py

@@ -16,7 +16,7 @@ def get_subtitles(url, langs=['en']):
         'skip_download': True,
     }
     with yt_dlp.YoutubeDL(ydl_opts) as ydl:
-        info_dict = ydl.extract_info(url, download=False)
+        result = ydl.extract_info(url, download=False)
         subtitles = result.get("subtitles")
         if subtitles and len(subtitles):
             return subtitles