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Python 3.9 is here in Debian Sid

On 10/16/20 3:59 PM, Jeremy Stanley wrote:
> On 2020-10-16 10:21:34 +0200 (+0200), Thomas Goirand wrote:
> [...]
>> I also think it'd be nice to have non-voting jobs detecting
>> deprecated stuff. For example, a quick grep shows that a lot of
>> projects are still using collections.Mapping instead of
>> collections.abc.Mapping (which is to be removed in Python 3.10,
>> according to the 3.9 release notes). Would there be a way to get
>> our CI report these issues earlier?
> They're going to all explode, at least until PBR gets some more
> changes merged and released to stop doing deprecated things. I've
> been slowly working my way through testing simple PBR-using projects
> with PYTHONWARNINGS=error (instead of =default::DeprecationWarning)
> and fixing or noting the issues I encounter. Up until recently, a
> number of its dependencies were also throwing deprecation warnings
> under 3.9, but now I think we're down to just a couple of remaining
> fixes pending. We didn't want to try to rush in a new PBR release
> until Victoria was wrapped up, but now I think we can finish this
> fairly soon.

Great, thanks for this work.