[Python-Dev] Should assert continue to do a LOAD_GLOBAL on AssertionError?

Antoine Pitrou solipsis at pitrou.net
Wed Oct 3 14:09:42 EDT 2018

On Thu, 4 Oct 2018 01:59:37 +1000
Steven D'Aprano <steve at pearwood.info> wrote:
> On the bug tracker, there's a discussion about the current behaviour of 
> the assert statement, where shadowing AssertionError will change the 
> behaviour of the assertion.
> https://bugs.python.org/issue34880
> Currently, assert does a LOAD_GLOBAL on AssertionError, which means if 
> you shadow the name, you get a different exception. This behaviour goes 
> back to Python 1.5.
> I'm looking for guidance here, is this the intended behaviour, or an 
> accident? Should it be changed to better match other builtins?

I would make it an implementation detail myself, i.e. any
implementation is free to make it work as it prefers.



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