GeezerVison

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The tests fail because you can't import traceback when python is shutting down (but logging can still be called - e.g. in a del function of a global object)

@jgeralnik oh, interesting, thank you! That would take me some time to figure out. So what you're saying is that this particular PR is doomed, we simply can't import traceback lazily? Or do you see some way around it?

@AlexWaygood this ended up being harder than I thought, see comments above. Unless you have any suggestions I'll close this.

The tests fail because you can't import traceback when python is shutting down (but logging can still be called - e.g. in a del function of a global object)

It seems that new modules can't be imported during Python shutdown, and the logging module needs to be available during shutdown so I don't see a way around this. Closing.

CC @AlexWaygood

^Sorry for not getting to this earlier! Been unusually busy the last month or so :)

Yeah, the stuff that goes on when Python is shutting down is... scary. Agree with the decision to close this one :)

@AlexWaygood no worries at all, thanks for the comment and review on #114509 🤝

It was interesting to poke at stdlib for the first time (and realizing, as always, that things are more complicated than originally thought :-) )