EliottFerry

@kscottz Of course, on [this](https://docs.ros.org/en/jazzy/Tutorials/Beginner-Client-Libraries/Writing-A-Simple-Py-Service-And-Client.html#write-the-client-node) step, you have the implementation of MinimalClientAsync along with a main function. This main implementation does not match with [this](https://docs.ros.org/en/jazzy/Tutorials/Beginner-Client-Libraries/Custom-ROS2-Interfaces.html#testing-addthreeints-srv-with-service-client) implementation, where some error handling...