[importers] Fix strange bug where celery version mismatches

vrobbler/apps/scrobbles/importers/webdav.py

@@ -153,7 +153,7 @@ def scan_webdav_for_koreader(
     )
 
     if update_etag_only:
-        if last_import and remote_etag:
+        if last_import and remote_etag and hasattr(last_import, "webdav_etag"):
             last_import.webdav_etag = remote_etag
             last_import.save(update_fields=["webdav_etag"])
             logger.info(
@@ -163,7 +163,7 @@ def scan_webdav_for_koreader(
             )
         return 0
 
-    if last_import and last_import.webdav_etag and remote_etag:
+    if last_import and getattr(last_import, "webdav_etag", None) and remote_etag:
         if last_import.webdav_etag == remote_etag:
             logger.info(
                 "koreader stats file unchanged (ETag match)",

vrobbler/apps/scrobbles/scrobblers.py

@@ -540,6 +540,7 @@ def email_scrobble_board_game(
             "playback_position_seconds": duration_seconds,
             "source": "BG Stats",
             "log": log_data,
+            "visibility": "private",
         }
 
         scrobble = None
@@ -1152,7 +1153,7 @@ def web_scrobbler_scrobble_video_or_song(
     artist_name = data_dict.get("artist")
     track_name = data_dict.get("track")
     tracks = Track.objects.filter(
-        artist__name=data_dict.get("artist"), title=data_dict.get("track")
+        artist_fk__name=data_dict.get("artist"), title=data_dict.get("track")
     )
     if tracks.count() > 1:
         logger.warning(