Lint fixes

Author: adityagesh

lisa/microsoft/testsuites/kselftest/kselftest-suite.py

@@ -1,8 +1,12 @@
+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT license.
+
 from typing import Any, Dict
 
 from lisa import Node, TestCaseMetadata, TestSuite, TestSuiteMetadata
 from lisa.testsuite import TestResult, simple_requirement
 from lisa.util import SkippedException, UnsupportedDistroException
+
 from microsoft.testsuites.kselftest.kselftest import Kselftest
 
 

lisa/microsoft/testsuites/ltp/ltpsuite.py

@@ -16,6 +16,7 @@
 from lisa.operating_system import BSD, Windows
 from lisa.testsuite import TestResult
 from lisa.tools import Lsblk, Swap
+
 from microsoft.testsuites.ltp.ltp import Ltp
 
 

lisa/microsoft/testsuites/xfstests/xfstesting.py

@@ -25,7 +25,13 @@
 from lisa.sut_orchestrator.azure.platform_ import AzurePlatform
 from lisa.testsuite import TestResult
 from lisa.tools import Echo, FileSystem, KernelConfig, Mkfs, Mount, Parted
-from lisa.util import BadEnvironmentStateException, LisaException, generate_random_chars
+from lisa.util import (
+    BadEnvironmentStateException,
+    LisaException,
+    constants,
+    generate_random_chars,
+)
+
 from microsoft.testsuites.xfstests.xfstests import Xfstests
 
 # Global variables