diff --git a/harp/model.py b/harp/model.py
index f28a7be..5d23d1a 100644
--- a/harp/model.py
+++ b/harp/model.py
@@ -7,8 +7,14 @@
 from enum import Enum
 from typing import Dict, List, Optional, Union
 
-from pydantic import (BaseModel, BeforeValidator, ConfigDict, Field, RootModel,
-                      field_serializer)
+from pydantic import (
+    BaseModel,
+    BeforeValidator,
+    ConfigDict,
+    Field,
+    RootModel,
+    field_serializer,
+)
 from typing_extensions import Annotated
 
 
diff --git a/harp/reader.py b/harp/reader.py
index 8f828f3..1fb990b 100644
--- a/harp/reader.py
+++ b/harp/reader.py
@@ -6,8 +6,7 @@
 from math import log2
 from os import PathLike
 from pathlib import Path
-from typing import (Any, BinaryIO, Callable, Iterable, Mapping, Optional,
-                    Protocol, Union)
+from typing import Any, BinaryIO, Callable, Iterable, Mapping, Optional, Protocol, Union
 
 import requests
 from deprecated import deprecated