diff --git a/.ament_flake8.ini b/.ament_flake8.ini
new file mode 100644
index 0000000..2eafac0
--- /dev/null
+++ b/.ament_flake8.ini
@@ -0,0 +1,6 @@
+[flake8]
+extend-ignore = B902,C816,D100,D101,D102,D103,D104,D105,D106,D107,D203,D212,D404,I202,Q000
+import-order-style = google
+max-line-length = 99
+show-source = true
+statistics = true
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3aa77f4..2e08aa6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -96,6 +96,7 @@ if(BUILD_TESTING)
   set(ament_cmake_cppcheck_FOUND TRUE)
   set(ament_cmake_cpplint_FOUND TRUE)
   set(ament_cmake_uncrustify_FOUND TRUE)
+  set(ament_cmake_flake8_CONFIG_FILE ".ament_flake8.ini")
   ament_lint_auto_find_test_dependencies()
 endif()
 
diff --git a/launch/demo_rviz.launch.py b/launch/demo_rviz.launch.py
index a0b9aa7..5c08233 100644
--- a/launch/demo_rviz.launch.py
+++ b/launch/demo_rviz.launch.py
@@ -28,9 +28,10 @@
 
 
 import os
+
+from ament_index_python.packages import get_package_share_directory
 from launch import LaunchDescription
 from launch_ros.actions import Node
-from ament_index_python.packages import get_package_share_directory
 
 
 def load_file(package_name, file_path):