Fixed python param default value.

Author: tonybaltovski

wireless_watcher/launch/watcher.launch.py

@@ -31,32 +31,32 @@
 from launch_ros.actions import Node
 
 ARGUMENTS = [
-    DeclareLaunchArgument('hz', default_value='1.0', description='Update frequency'),
-    DeclareLaunchArgument('dev', default_value='''', description='Wireless device'),
+    DeclareLaunchArgument("hz", default_value="1.0", description="Update frequency"),
+    DeclareLaunchArgument("dev", default_value="''", description="Wireless device"),
     DeclareLaunchArgument(
-        'connected_topic', default_value='connected', description='Connected status topic'
+        "connected_topic", default_value="connected", description="Connected status topic"
     ),
     DeclareLaunchArgument(
-        'connection_topic', default_value='connection', description='Connection information topic'
+        "connection_topic", default_value="connection", description="Connection information topic"
     ),
-    DeclareLaunchArgument('namespace', default_value='', description='Namespace'),
+    DeclareLaunchArgument("namespace", default_value="", description="Namespace"),
 ]
 
 
 def generate_launch_description():
 
     watcher = Node(
-        package='wireless_watcher',
-        executable='wireless_watcher',
-        name='wireless_watcher',
-        namespace=LaunchConfiguration('namespace'),
-        output='screen',
+        package="wireless_watcher",
+        executable="wireless_watcher",
+        name="wireless_watcher",
+        namespace=LaunchConfiguration("namespace"),
+        output="screen",
         parameters=[
             {
-                'hz': LaunchConfiguration('hz'),
-                'dev': LaunchConfiguration('dev'),
-                'connected_topic': LaunchConfiguration('connected_topic'),
-                'connection_topic': LaunchConfiguration('connection_topic'),
+                "hz": LaunchConfiguration("hz"),
+                "dev": LaunchConfiguration("dev"),
+                "connected_topic": LaunchConfiguration("connected_topic"),
+                "connection_topic": LaunchConfiguration("connection_topic"),
             }
         ],
     )