> On 30 Mar 2019, at 23:48, Michael Foord <report@bugs.python.org> wrote:
> 
> 
> Michael Foord <michael@voidspace.org.uk> added the comment:
> 
> An auto-magic cache clearing mechanism is really tempting. I tend to agree with Raymond though, if code needs and progress a cache clearing mechanism it should be treated and accessible. 

* exposes (not progress)
* tested  (not treated)

Sorry. 
> 
> They're are probably some problematic caches still within unittest however. Do test results still keep alive all tracebacks until test reporting?
> 
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> <https://bugs.python.org/issue36485>
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