diff --git a/aip_xx1_gen2_launch/CMakeLists.txt b/aip_xx1_gen2_launch/CMakeLists.txt
index 54e2d2b0..779ac533 100644
--- a/aip_xx1_gen2_launch/CMakeLists.txt
+++ b/aip_xx1_gen2_launch/CMakeLists.txt
@@ -18,4 +18,4 @@ ament_auto_package(INSTALL_TO_SHARE
 install(PROGRAMS
   scripts/septentrio_heading_converter.py
   DESTINATION lib/${PROJECT_NAME}
-)
\ No newline at end of file
+)
diff --git a/aip_xx1_gen2_launch/launch/lidar.launch.py b/aip_xx1_gen2_launch/launch/lidar.launch.py
index 24ffcbe3..a2a6d6e1 100644
--- a/aip_xx1_gen2_launch/launch/lidar.launch.py
+++ b/aip_xx1_gen2_launch/launch/lidar.launch.py
@@ -105,9 +105,7 @@ def load_yaml(yaml_file_path):
     base_parameters["enable_blockage_diag"] = LaunchConfiguration("enable_blockage_diag").perform(
         context
     )
-    base_parameters["return_mode"] = LaunchConfiguration("return_mode").perform(
-        context
-    )
+    base_parameters["return_mode"] = LaunchConfiguration("return_mode").perform(context)
 
     sub_launch_actions = []
     for launch in config["launches"]:
diff --git a/aip_xx1_gen2_launch/scripts/septentrio_heading_converter.py b/aip_xx1_gen2_launch/scripts/septentrio_heading_converter.py
index 205e2316..641049ab 100755
--- a/aip_xx1_gen2_launch/scripts/septentrio_heading_converter.py
+++ b/aip_xx1_gen2_launch/scripts/septentrio_heading_converter.py
@@ -13,16 +13,15 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import rclpy
-from rclpy.node import Node
-from septentrio_gnss_driver.msg import AttEuler
 from autoware_sensing_msgs.msg import GnssInsOrientationStamped
 from geometry_msgs.msg import Quaternion
 import numpy as np
+import rclpy
+from rclpy.node import Node
+from septentrio_gnss_driver.msg import AttEuler
 
 
 class OrientationConverter(Node):
-
     def __init__(self):
         super().__init__("septentrio_orientation_converter")
         self.publisher = self.create_publisher(