I know that 3.12 is not fully supported yet, but is in beta (based on the changelog), but with the last RC just released for Python 3.12, it is probably good to make issues known sooner rather than ...

I don't know why you're still seeing the attrdict3 error, but wxPython 4.2.0 isn't going to work with Python 3.11 anyway. I'd suggest using an older Python version, or you can use one of the wheels ...