Mypy nav2_collision_monitor (ros-navigation#5043)

* Configured nav2_collision_monitor to use mypy strict.

Signed-off-by: Leander Stephen D'Souza <leanderdsouza1234@gmail.com>

* Added nav2_collision_monitor to the workflow.

Signed-off-by: Leander Stephen D'Souza <leanderdsouza1234@gmail.com>

---------

Signed-off-by: Leander Stephen D'Souza <leanderdsouza1234@gmail.com>
Signed-off-by: Sakshay Mahna <sakshum19@gmail.com>

Author: leander-dsouza

.github/workflows/lint.yml

@@ -31,6 +31,7 @@ jobs:
           - "nav2_smac_planner"
           - "nav2_common"
           - "nav2_bringup"
+          - "nav2_collision_monitor"
     steps:
     - uses: actions/checkout@v4
 

nav2_collision_monitor/launch/collision_detector_node.launch.py

@@ -26,7 +26,7 @@
 from nav2_common.launch import RewrittenYaml
 
 
-def generate_launch_description():
+def generate_launch_description() -> LaunchDescription:
     # Environment
     package_dir = get_package_share_directory('nav2_collision_monitor')
 

nav2_collision_monitor/launch/collision_monitor_node.launch.py

@@ -26,7 +26,7 @@
 from nav2_common.launch import RewrittenYaml
 
 
-def generate_launch_description():
+def generate_launch_description() -> LaunchDescription:
     # Environment
     package_dir = get_package_share_directory('nav2_collision_monitor')