Сделал скелет того, как примерно будет реализован сервис

app/utils/youtube.py

@@ -5,6 +5,9 @@ from dataclasses import dataclass
 from app.utils.uploader import ChunkUploadBackend
 
 
+RESOLUTIONS = [240, 360, 480, 720, 1080, 1440, 2160]
+
+
 @dataclass
 class MediaContent:
     url: str
@@ -36,7 +39,9 @@ class YtDlpManager:
         """Возвращает title видео"""
         return self.info.get("title", "unknown")
 
-    def download_video(self, size: Literal[240, 360, 480, 720, 1080, 1440, 2160]):
+    def download_video(self, size: int):
+        if size not in RESOLUTIONS:
+            raise RuntimeError("Unsupported quality")
         command = [
             "yt-dlp",
             "-f",