diff --git a/python/tvm/contrib/micro/meta_schedule/rpc_runner_micro.py b/python/tvm/contrib/micro/meta_schedule/rpc_runner_micro.py
index 704801b4a0549..48b91a47c175d 100644
--- a/python/tvm/contrib/micro/meta_schedule/rpc_runner_micro.py
+++ b/python/tvm/contrib/micro/meta_schedule/rpc_runner_micro.py
@@ -133,7 +133,7 @@ def _worker_func(
         "priority": 0,
         "timeout": 100,
     }
-    
+
     build_result = namedtuple("BuildResult", ["filename"])(artifact_path)
 
     with module_loader(remote_kw, build_result) as (remote, mod):
@@ -189,11 +189,11 @@ def get_rpc_runner_micro(
     rpc_timeout_sec:
         The rpc session timeout.
     serial_numbers:
-        List of board serial numbers to be used during tuning. 
-        For "CRT" and "QEMU" platforms the serial numners are not used, 
+        List of board serial numbers to be used during tuning.
+        For "CRT" and "QEMU" platforms the serial numners are not used,
         but the length of the list determines the number of runner instances.
     """
-    
+
     if evaluator_config is None:
         evaluator_config = EvaluatorConfig(
             number=3,
@@ -204,7 +204,7 @@ def get_rpc_runner_micro(
 
     if tracker_host is None:
         tracker_host = "127.0.0.1"
-    
+
     if tracker_port is None:
         tracker_port = 9000
     else:
@@ -221,7 +221,7 @@ def get_rpc_runner_micro(
         reuse_addr=True,
         timeout=60,
     )
-    
+
     servers = []
     rpc_configs = []
     for serial_number in serial_numbers:
@@ -263,7 +263,7 @@ def handle_SIGINT(signal, frame):
             project_options=options,
             rpc_configs=rpc_configs,
             evaluator_config=evaluator_config,
-            session_timeout_sec=session_timeout_sec
+            session_timeout_sec=session_timeout_sec,
         )
     finally:
         terminate()
diff --git a/python/tvm/micro/build.py b/python/tvm/micro/build.py
index eb8023f5c1a0f..8033883aaf4b0 100644
--- a/python/tvm/micro/build.py
+++ b/python/tvm/micro/build.py
@@ -153,10 +153,9 @@ def __call__(self, remote_kw, build_result):
         with open(build_result.filename, "rb") as build_file:
             build_result_bin = build_file.read()
 
-        if ("board" in self._project_options and
-            "$local$device" not in remote_kw["device_key"]):
+        if "board" in self._project_options and "$local$device" not in remote_kw["device_key"]:
             self._project_options["serial_number"] = remote_kw["device_key"]
-        
+
         tracker = _rpc.connect_tracker(remote_kw["host"], remote_kw["port"])
         remote = tracker.request(
             remote_kw["device_key"],
diff --git a/tests/micro/zephyr/test_ms_tuning.py b/tests/micro/zephyr/test_ms_tuning.py
index d78eb0bb46541..6c07327f3c53d 100644
--- a/tests/micro/zephyr/test_ms_tuning.py
+++ b/tests/micro/zephyr/test_ms_tuning.py
@@ -95,7 +95,10 @@ def test_ms_tuning_conv2d(workspace_dir, board, microtvm_debug, use_fvp, serial_
     builder = get_local_builder_micro()
     with ms.Profiler() as profiler:
         with get_rpc_runner_micro(
-            platform=platform, options=project_options, session_timeout_sec=120, serial_numbers=["0", "1"]
+            platform=platform,
+            options=project_options,
+            session_timeout_sec=120,
+            serial_numbers=["0", "1"],
         ) as runner:
 
             db: ms.Database = ms.relay_integration.tune_relay(