AP_DDS: Fixed pep257 error in test script.

Tools/ros2/ardupilot_dds_tests/test/ardupilot_dds_tests/test_parameter_service.py

@@ -14,8 +14,7 @@
 # along with this program. If not, see <https://www.gnu.org/licenses/>.
 
 """
-Bring up ArduPilot SITL and check that the get_parameters and set_parameters
-services are up and running.
+Bring up ArduPilot SITL and check that the get/set_parameters services are up and running.
 
 Checks whether a parameter is changed using service call.
 
@@ -50,17 +49,17 @@
 
 
 class ParameterClient(rclpy.node.Node):
-    "Send GetParameters and SetParameters Requests"
+    """Send GetParameters and SetParameters Requests."""
 
     def __init__(self):
-        "Initialize the node"
+        """Initialize the node."""
         super().__init__('parameter_client')
         self.get_param_event_object = threading.Event()
         self.set_param_event_object = threading.Event()
         self.set_correct_object = threading.Event()
 
     def start_client(self):
-        "Start the parameter client"
+        """Start the parameter client."""
         qos_profile = QoSProfile(
             reliability=QoSReliabilityPolicy.BEST_EFFORT,
             history=QoSHistoryPolicy.KEEP_LAST,
@@ -165,7 +164,7 @@ def launch_sitl_copter_dds_udp(sitl_copter_dds_udp):
 
 @pytest.mark.launch(fixture=launch_sitl_copter_dds_udp)
 def test_dds_udp_parameter_services(launch_context, launch_sitl_copter_dds_udp):
-    "Test Get/Set parameter services broadcast by AP_DDS."
+    """Test Get/Set parameter services broadcast by AP_DDS."""
     _, actions = launch_sitl_copter_dds_udp
     micro_ros_agent = actions["micro_ros_agent"].action
     mavproxy = actions["mavproxy"].action