Update main.py

main.py

@@ -15,6 +15,6 @@ def read_json():
 
 
 @app.get("/subtitle/")
-def get_subtitle(vid: str):
-    subtitle = fetchYoutubeSubtitle(vid)
+async def get_subtitle(vid: str):
+    subtitle = await fetchYoutubeSubtitle(vid)
     return JSONResponse(content=subtitle)