fix linting problems Signed-off-by: suifengersan123 <[email protected]>

Signed-off-by: suifengersan123 <[email protected]>

Author: suifengersan123

nav2_dwb_controller/dwb_plugins/include/dwb_plugins/kinematic_parameters.hpp

@@ -147,8 +147,9 @@ class KinematicsHandler
 
   inline KinematicParameters getKinematics() {
         KinematicParameters* ptr = kinematics_.load();
+        // Check for nullptr before dereferencing
         if (ptr == nullptr) {
-          throw std::runtime_error("KinematicsHandler::getKinematics() called before kinematics_ is initialized");
+          throw std::runtime_error("Can't call KinematicsHandler::getKinematics()!");
         }
         return *ptr;
       }