diff --git a/src/rai/rai/tools/ros/nav2/__init__.py b/src/rai/rai/tools/ros/nav2/__init__.py
index e69de29bb..ef74fc891 100644
--- a/src/rai/rai/tools/ros/nav2/__init__.py
+++ b/src/rai/rai/tools/ros/nav2/__init__.py
@@ -0,0 +1,13 @@
+# Copyright (C) 2024 Robotec.AI
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
diff --git a/src/rai/rai/tools/ros/nav2/basic_navigator.py b/src/rai/rai/tools/ros/nav2/basic_navigator.py
index 516bcf7b3..f1e292167 100644
--- a/src/rai/rai/tools/ros/nav2/basic_navigator.py
+++ b/src/rai/rai/tools/ros/nav2/basic_navigator.py
@@ -1,3 +1,17 @@
+# Copyright (C) 2024 Robotec.AI
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 from geometry_msgs.msg import Point
 from langchain.tools import tool
 
diff --git a/src/rai_hmi/rai_hmi/base.py b/src/rai_hmi/rai_hmi/base.py
index fbe33e581..2aae75503 100644
--- a/src/rai_hmi/rai_hmi/base.py
+++ b/src/rai_hmi/rai_hmi/base.py
@@ -245,16 +245,14 @@ def task_goal_response_callback(self, future, uid: UUID4):
             self.task_running[uid] = False
             self.task_feedbacks.put(
                 MissionAcceptanceMessage(
-                    uid=uid, content=f"Task rejected by action server."
+                    uid=uid, content="Task rejected by action server."
                 )
             )
             return
 
         self.task_running[uid] = True
         self.task_feedbacks.put(
-            MissionAcceptanceMessage(
-                uid=uid, content=f"Task accepted by action server."
-            )
+            MissionAcceptanceMessage(uid=uid, content="Task accepted by action server.")
         )
         self.get_logger().info("Task goal accepted by action server.")
         self._get_result_future = goal_handle.get_result_async()