style: fix styling

selfprivacy_api/backup/__init__.py

@@ -70,7 +70,6 @@ class Backups:
                 # if there is no userdata file, we do not need to reset it
                 pass
 
-
     @staticmethod
     def _lookup_provider() -> AbstractBackupProvider:
         redis_provider = Backups._load_provider_redis()
@@ -209,7 +208,6 @@ class Backups:
 
     ### Restoring
 
-
     @staticmethod
     def restore_snapshot(snapshot: Snapshot):
         service = get_service_by_id(snapshot.service_name)
@@ -328,7 +326,6 @@ class Backups:
         # expiring cache entry
         Storage.cache_snapshot(snapshot)
 
-
     ### Autobackup
 
     @staticmethod
@@ -446,6 +443,3 @@ class Backups:
             repo_id="",
         )
         Storage.store_provider(provider)
-
-
-