Update app.py

app.py

@@ -67,7 +67,7 @@ def prepare_media(source_path_or_url: os.PathLike,
         # Download from youtube
         try:
             # Try PyTube first
-            proxy_handler = { "http": "http://127.0.0.1:1087",'https':'http://127.0.0.1:1087'}
+            proxy_handler = {"http": "http://127.0.0.1:1087", "https":'http://127.0.0.1:1087'}
             yt = YouTube(source_path_or_url, proxies=proxy_handler)
             audio_stream = min(yt.streams.filter(only_audio=True), key=lambda s: s.bitrate)
             mp4_file = audio_stream.download(output_path='downloaded') # ./downloaded