update video directory

tools.py

@@ -194,7 +194,7 @@ def answer_video_question(frames_dir, question):
     }
 
 
-def download_youtube_video(url, output_dir='/content/video/', output_filename='downloaded_video.mp4'):
+def download_youtube_video(url, output_dir='tmp/content/video/', output_filename='downloaded_video.mp4'):
     # Ensure the output directory exists
     os.makedirs(output_dir, exist_ok=True)