Fixing typo in backend

core/registrar/backend.py

@@ -71,7 +71,7 @@ class EOxServerBackend(Backend):
             bucket, _ = source.get_bucket_and_key(path)
 
             storage, created_storage = backends.Storage.objects.get_or_create(
-                name=source.name if source.bucket else f'{source.name}-{bucket}',
+                name=source.name if source.bucket_name else f'{source.name}-{bucket}',
                 url=bucket,
                 storage_type='S3',
                 storage_auth=storage_auth,