Change to single quotes

Author: christophfroehlich

gazebo_ros2_control_demos/launch/diff_drive_namespaced.launch.py

@@ -47,13 +47,13 @@ def generate_launch_description():
     node_robot_state_publisher = Node(
         package='robot_state_publisher',
         executable='robot_state_publisher',
-        namespace="r1",
+        namespace='r1',
         output='screen',
         parameters=[params]
     )
 
     spawn_entity = Node(package='gazebo_ros', executable='spawn_entity.py',
-                        namespace="r1",
+                        namespace='r1',
                         arguments=['-topic', 'robot_description',
                                    '-entity', 'diffbot'],
                         output='screen')

gazebo_ros2_control_demos/launch/diff_drive_pair_namespaced.launch.py

@@ -47,15 +47,15 @@ def generate_launch_description():
     node_robot_state_publisher_r1 = Node(
         package='robot_state_publisher',
         executable='robot_state_publisher',
-        namespace="r1",
+        namespace='r1',
         output='screen',
         parameters=[params]
     )
 
     node_robot_state_publisher_r2 = Node(
         package='robot_state_publisher',
         executable='robot_state_publisher',
-        namespace="r2",
+        namespace='r2',
         output='screen',
         parameters=[params]
     )