Download video from youtube directly, use pytube only for getting the link

boards/models/attachment/downloaders.py

@@ -59,25 +59,8 b' class YouTubeDownloader(Downloader):'
         videos = yt.filter(YOUTUBE_VIDEO_FORMAT)
         if len(videos) > 0:
             video = videos[0]
-            filename = '{}.{}'.format(video.filename, video.extension)
-            try:
-                video.download(on_progress=YouTubeDownloader.on_progress)
-
-                file = open(filename, 'rb')
-                content = file.read()
-                file.close()
-
-                os.remove(filename)
-                return SimpleUploadedFile(filename, content, video.extension)
-            except Exception as e:
-                if os.path.isfile(filename):
-                    os.remove(filename)
-                raise e
+            return Downloader.download(video.url)
 
     @staticmethod
     def handles(url: str) -> bool:
         return YOUTUBE_URL.match(url)
-
-    @staticmethod
-    def on_progress(bytes, file_size, start):
-        validate_file_size(file_size)