feat: implemented correct merging of artists

music_kraken/pages/youtube_music/youtube_music.py

@@ -410,7 +410,7 @@ class YoutubeMusic(SuperYouTube):
         return results
 
     def fetch_artist(self, source: Source, stop_at_level: int = 1) -> Artist:
-        artist = Artist()
+        artist = Artist(source_list=[source])
 
         # construct the request
         url = urlparse(source.url)
@@ -431,6 +431,7 @@ class YoutubeMusic(SuperYouTube):
             dump_to_file(f"{browse_id}.json", r.text, is_json=True, exit_after_dump=False)
 
         # artist details
+        data: dict = r.json()
         header = data.get("header", {})
         musicDetailHeaderRenderer = header.get("musicDetailHeaderRenderer", {})