corretta invocazione a YoutubeLoader

tools.py

@@ -322,7 +322,7 @@ def get_youtube_transcript(url: str) -> str:
     """
     Fetches the transcript from a YouTube video URL and returns it as plain text.
     """
-    loader = YouTubeLoader.from_youtube_url(url, add_video_info=True)
+    loader = YoutubeLoader.from_youtube_url(url, add_video_info=True)
     docs = loader.load()
 
     # Combine all transcript chunks into a single string