Fix imports

Signed-off-by: Katarzyna Treder <katarzyna.treder@h-partners.com>

test/functional/tests/stats/test_display_statistics.py

@@ -1,14 +1,13 @@
 #
 # Copyright(c) 2020-2021 Intel Corporation
+# Copyright(c) 2024 Huawei Technologies Co., Ltd.
 # SPDX-License-Identifier: BSD-3-Clause
 #
 
-
+import pytest
 import time
 from datetime import timedelta
 
-import pytest
-
 from api.cas import casadm
 from api.cas.cache_config import (
     CacheLineSize,