diff --git a/autoware_lanelet2_extension_python/autoware_lanelet2_extension_python/projection/__init__.py b/autoware_lanelet2_extension_python/autoware_lanelet2_extension_python/projection/__init__.py
index 8ad754d..6fafc98 100644
--- a/autoware_lanelet2_extension_python/autoware_lanelet2_extension_python/projection/__init__.py
+++ b/autoware_lanelet2_extension_python/autoware_lanelet2_extension_python/projection/__init__.py
@@ -1,3 +1,4 @@
+import lanelet2  # noqa: F401 # isort: skip
 import autoware_lanelet2_extension_python._autoware_lanelet2_extension_python_boost_python_projection as _projection_cpp
 
 MGRSProjector = _projection_cpp.MGRSProjector