diff --git a/src/aleph/sdk/query/filters.py b/src/aleph/sdk/query/filters.py
index bb60af7b..4caee5f5 100644
--- a/src/aleph/sdk/query/filters.py
+++ b/src/aleph/sdk/query/filters.py
@@ -1,8 +1,10 @@
 from datetime import datetime
+from enum import Enum
 from typing import Dict, Iterable, Optional, Union
+
 from aleph_message.models import MessageType
-from ..utils import _date_field_to_timestamp, serialize_list, enum_as_str
-from enum import Enum
+
+from ..utils import _date_field_to_timestamp, enum_as_str, serialize_list
 
 
 class SortBy(str, Enum):