Improve readability when printing type of classes in error messages (backport #469) #472
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Description
Similar to ros2/launch#887, in a few places, error messages printed types in a verbose format like '<class 'str'>'. This PR simplifies that by displaying just the type name (e.g. 'str').
Did you use Generative AI?
No
This is an automatic backport of pull request #469 done by [Mergify](https://mergify.com).