[music] Reorganize importer and fix lookups

vrobbler/apps/scrobbles/utils.py

@@ -1,8 +1,9 @@
 import hashlib
 import logging
 import re
-from datetime import datetime, timedelta, tzinfo
+from datetime import datetime, timedelta
 from urllib.parse import urlparse
+from zoneinfo import ZoneInfo
 
 import pytz
 from django.apps import apps
@@ -24,7 +25,7 @@ logger = logging.getLogger(__name__)
 User = get_user_model()
 
 
-def timestamp_user_tz_to_utc(timestamp: int, user_tz: tzinfo) -> datetime:
+def timestamp_user_tz_to_utc(timestamp: int, user_tz: ZoneInfo) -> datetime:
     return user_tz.localize(datetime.utcfromtimestamp(timestamp)).astimezone(
         pytz.utc
     )