Merge branch 'bug/backup-tz' into 'dev'

Fix backups failing by correctly using tz objects

See merge request crafty-controller/crafty-4!556

CHANGELOG.md

@@ -6,6 +6,7 @@
 ### Bug fixes
 - Fix exception related to page data on server start ([Merge Request](https://gitlab.com/crafty-controller/crafty-4/-/merge_requests/544))
 - Fix logical issue with uploading dynamic files ([Merge Request](https://gitlab.com/crafty-controller/crafty-4/-/merge_requests/555))
+- Fix backups failing by correctly using tz objects ([Merge Request](https://gitlab.com/crafty-controller/crafty-4/-/merge_requests/556))
 ### Tweaks
 - Cleanup authentication helpers ([Merge Request](https://gitlab.com/crafty-controller/crafty-4/-/merge_requests/545))
 - Optimize file upload progress WS ([Merge Request](https://gitlab.com/crafty-controller/crafty-4/-/merge_requests/546))

app/classes/shared/server.py

@@ -12,6 +12,8 @@ import html
 import urllib.request
 import glob
 
+from zoneinfo import ZoneInfo
+
 # TZLocal is set as a hidden import on win pipeline
 from tzlocal import get_localzone
 from tzlocal.utils import ZoneInfoNotFoundError
@@ -136,7 +138,7 @@ class ServerInstance:
             logger.error(
                 "Could not capture time zone from system. Falling back to Europe/London"
             )
-            self.tz = "Europe/London"
+            self.tz = ZoneInfo("Europe/London")
         self.server_scheduler = BackgroundScheduler(timezone=str(self.tz))
         self.server_scheduler.start()
         self.backup_thread = threading.Thread(