Update agent.py

agent.py

@@ -56,7 +56,7 @@ def youtube_transcript(video_url: str) -> str:
         video_url: YouTube video url
     """
     try:
-        loader = YoutubeLoader(video_url)
+        loader = YoutubeLoader.from_youtube_url(video_url)
         # video_id = video_url.split("v=")[-1].split("&")[0]
         # transcript = YouTubeTranscriptApi.get_transcript(video_id)
         return loader.load()