Hya

Thank you for your post.

Yes, I totally agree with you (#30).

I have read only a small part of these documents. I need to read more.

Yes, I should have posted like your example. Reason I cannot is that I have difficulty in pointing out (a) guilty line(s).

***
So far, I have found that
1) with python2, wx has a module named wizard
2) with python3, wx does not

I need to figure out which particular statement requires wizard, .. If I knew, I could. Most probably, if I knew, I might be able to solve it.

I am lost in this step.

As posted in #28 briefly, with pycharm, "import wx" chokes by ValueError, and execution stops do not reach "AttributeError". There are many warning messages, but I cannot find any clue.
***

Your two scripts (#22, #30), are great gifts. I can follow program flow. With #30, I can locate sleep without your hint. (using either help(time) or inspecting /usr/lib/python3 tree)

I am getting used to python little by little.

cheers