fix: skip insterval works

music_kraken/pages/abstract.py

@@ -403,19 +403,20 @@ class Page:
             self.LOGGER.info(f"{song.option_string} already exists, thus not downloading again.")
             return r
 
-        source = None
+        skip_intervals = []
         if not found_on_disc:
             for source in sources:
                 r = self.download_song_to_target(source=source, target=temp_target, desc=song.option_string)
 
                 if not r.is_fatal_error:
+                    skip_intervals = self.get_skip_intervals(song, source)
                     break
         
         if temp_target.exists:
             r.merge(self._post_process_targets(
                 song=song, 
                 temp_target=temp_target,
-                interval_list=[] if found_on_disc else self.get_skip_intervals(song, source)
+                interval_list=skip_intervals,
             ))
 
         return r