Update admin.py

addysalto_music/Homepage/admin.py

@@ -6,21 +6,21 @@ class ArtistAdmin(admin.ModelAdmin):
 
     search_fields = ('artist_name', 'birth_name')
     list_display = ('artist_name', 'birth_name', 'monthly_listeners')
-    list_filter = ('artist_name', 'birth_name')
+    list_filter = ['artist_name', 'birth_name']
     
 class AlbumAdmin(admin.ModelAdmin):
     model = Album
 
     search_fields = ('album_name', 'description', 'label')
     list_display = ('album_name', 'description', 'release_date', 'label', 'song_count')
-    list_filter = ('album_name')
+    list_filter = ['album_name']
 
 class SongAdmin(admin.ModelAdmin):
     model = Song
 
     search_fields = ('song_title', 'lyrics')
     list_display = ('song_title', 'song_length', 'lyrics', 'music_video')
-    list_filter = ('song_title')
+    list_filter = ['song_title']
 
 admin.site.register(Artist, ArtistAdmin)
 admin.site.register(Album, AlbumAdmin)