update tools.py

tools.py

@@ -21,13 +21,13 @@ def get_current_year() -> str:
     return str(datetime.now().year)
 @tool
 def get_youtube_transcript(url: str) -> str:
-    """"""
+    """
     Get the full transcript/subtitles from a YouTube video.
     Use this tool whenever the question contains a YouTube URL (youtube.com or youtu.be).
     Extract the URL from the question and pass it as the argument.
     Example: if question says 'In the video https://www.youtube.com/watch?v=ABC123, what...'
     then call this tool with url='https://www.youtube.com/watch?v=ABC123'
-    """"""
+    """
     try:
         from youtube_transcript_api import YouTubeTranscriptApi
         if "v=" in url: