Fix syntax of db backup options

aleksis/core/tasks.py

@@ -19,19 +19,11 @@ def send_notification(notification: int, resend: bool = False) -> None:
 def backup_data() -> None:
     """Backup database and media using django-dbbackup."""
     # Assemble command-line options for dbbackup management command
-    db_options = (
-        ["-z"]
-        if settings.DBBACKUP_COMPRESS_DB
-        else [] + ["-e"]
-        if settings.DBBACKUP_ENCRYPT_DB
-        else []
+    db_options = (["-z"] if settings.DBBACKUP_COMPRESS_DB else []) + (
+        ["-e"] if settings.DBBACKUP_ENCRYPT_DB else []
     )
-    media_options = (
-        ["-z"]
-        if settings.DBBACKUP_COMPRESS_MEDIA
-        else [] + "-e"
-        if settings.DBBACKUP_ENCRYPT_MEDIA
-        else []
+    media_options = (["-z"] if settings.DBBACKUP_COMPRESS_MEDIA else []) + (
+        ["-e"] if settings.DBBACKUP_ENCRYPT_MEDIA else []
     )
 
     # Hand off to dbbackup's management commands