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 ...
What steps will reproduce the problem? 1. Run the wxpython.py example 2. Run the "Browser object" LoadUrl popup test (which calls Frame.LoadUrl under the hood) 3. Run the LoadUrl popup test again, ...
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