diff --git a/src/python_testing/TC_ACE_1_3.py b/src/python_testing/TC_ACE_1_3.py
index 87b57f0c9ce3eb..ec34b50bf1a9e5 100644
--- a/src/python_testing/TC_ACE_1_3.py
+++ b/src/python_testing/TC_ACE_1_3.py
@@ -19,7 +19,7 @@
 
 import chip.clusters as Clusters
 from chip.interaction_model import Status
-from matter_testing_support import MatterBaseTest, async_test_body, default_matter_test_main, TestStep
+from matter_testing_support import MatterBaseTest, TestStep, async_test_body, default_matter_test_main
 from mobly import asserts
 
 
diff --git a/src/python_testing/hello_external_runner.py b/src/python_testing/hello_external_runner.py
index 81ac3d06551bb8..5ae98636e4cfdf 100755
--- a/src/python_testing/hello_external_runner.py
+++ b/src/python_testing/hello_external_runner.py
@@ -20,12 +20,12 @@
 import signal
 import subprocess
 import sys
-
-from hello_test import HelloTest
-from matter_testing_support import run_tests, MatterTestConfig, get_test_info
 from multiprocessing import Process
 from multiprocessing.managers import BaseManager
 
+from hello_test import HelloTest
+from matter_testing_support import MatterTestConfig, get_test_info, run_tests
+
 try:
     from matter_yamltests.hooks import TestRunnerHooks
 except ImportError:
diff --git a/src/python_testing/hello_test.py b/src/python_testing/hello_test.py
index 1a740c94768b46..8d92feb7ce3d80 100644
--- a/src/python_testing/hello_test.py
+++ b/src/python_testing/hello_test.py
@@ -19,7 +19,7 @@
 
 import chip.clusters as Clusters
 from chip.interaction_model import Status
-from matter_testing_support import MatterBaseTest, async_test_body, default_matter_test_main, TestStep
+from matter_testing_support import MatterBaseTest, TestStep, async_test_body, default_matter_test_main
 from mobly import asserts