diff --git a/tf2_pykdl_ros/src/tf2_pykdl_ros/__init__.py b/tf2_pykdl_ros/src/tf2_pykdl_ros/__init__.py
index dc6aab8..5ce05d7 100644
--- a/tf2_pykdl_ros/src/tf2_pykdl_ros/__init__.py
+++ b/tf2_pykdl_ros/src/tf2_pykdl_ros/__init__.py
@@ -1,4 +1,7 @@
 from typing import Union
+
+import PyKDL as kdl
+import tf2_ros
 from geometry_msgs.msg import (
     PointStamped,
     PoseStamped,
@@ -6,9 +9,7 @@
     TwistStamped as TwistStampedMsg,
     WrenchStamped as WrenchStampedMsg,
 )
-import PyKDL as kdl
-from pykdl_ros import VectorStamped, FrameStamped, TwistStamped, WrenchStamped
-import tf2_ros
+from pykdl_ros import FrameStamped, TwistStamped, VectorStamped, WrenchStamped
 
 
 def transform_to_kdl(t: TransformStamped) -> kdl.Frame: