diff --git a/src/otaclient/_types.py b/src/otaclient/_types.py
index a59c44975..4a4852f39 100644
--- a/src/otaclient/_types.py
+++ b/src/otaclient/_types.py
@@ -18,9 +18,10 @@
 
 from dataclasses import dataclass
 from enum import Enum
-from typing import ClassVar, Optional
+from typing import ClassVar
 
 from _otaclient_version import __version__
+
 from otaclient.configs.ecu_info import ecu_info
 
 #
diff --git a/src/otaclient/boot_control/_grub.py b/src/otaclient/boot_control/_grub.py
index 28e4744f2..55f39bf9f 100644
--- a/src/otaclient/boot_control/_grub.py
+++ b/src/otaclient/boot_control/_grub.py
@@ -42,8 +42,8 @@
 from subprocess import CalledProcessError
 from typing import ClassVar, Dict, Generator, List, Optional, Tuple
 
-from otaclient._types import OTAStatus
 from otaclient import errors as ota_errors
+from otaclient._types import OTAStatus
 from otaclient_common.common import (
     re_symlink_atomic,
     read_str_from_file,
diff --git a/src/otaclient/boot_control/_jetson_cboot.py b/src/otaclient/boot_control/_jetson_cboot.py
index 9520e478c..58e827440 100644
--- a/src/otaclient/boot_control/_jetson_cboot.py
+++ b/src/otaclient/boot_control/_jetson_cboot.py
@@ -24,8 +24,8 @@
 from pathlib import Path
 from typing import Generator, Optional
 
-from otaclient._types import OTAStatus
 from otaclient import errors as ota_errors
+from otaclient._types import OTAStatus
 from otaclient.app.configs import config as cfg
 from otaclient.boot_control._firmware_package import (
     FirmwareManifest,
diff --git a/src/otaclient/boot_control/_jetson_uefi.py b/src/otaclient/boot_control/_jetson_uefi.py
index 2721b4ec5..8fe772bf0 100644
--- a/src/otaclient/boot_control/_jetson_uefi.py
+++ b/src/otaclient/boot_control/_jetson_uefi.py
@@ -32,8 +32,8 @@
 from pydantic import BaseModel
 from typing_extensions import Self
 
-from otaclient._types import OTAStatus
 from otaclient import errors as ota_errors
+from otaclient._types import OTAStatus
 from otaclient.app.configs import config as cfg
 from otaclient.boot_control._firmware_package import (
     FirmwareManifest,