Update thaTube.py

thaTube.py

@@ -123,7 +123,7 @@ class thaTube:
 
     def select_random_video(self):
         """Select a random video from the playlist."""
-        playlist = Playlist(self.tubelist)
+        playlist = Playlist(self.playlist_url)
         videos = list(playlist.video_urls)
         self.video_url = random.choice(videos)
         return self.video_url