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Python3.8 Transition Lessons Learned

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From	Scott Kitterman <debian@kitterman.com>
Newsgroups	linux.debian.maint.python, linux.debian.devel.release
Subject	Python3.8 Transition Lessons Learned
Date	Tue, 14 Apr 2020 16:30:02 +0200
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In the course of dropping python3.7 from supported versions binNMUs were 
scheduled before the python3-defaults update dropping python3.7 migrated to 
testing.

These binNMUs migrated to Testing immediately.  This resulted in a case where 
in Testing, python3.7 and python3.8 were supported versions, but packages had 
lost their python3.7 support.  This caused autopkgtest failures which appeared 
as regressions.

In the future, I think it would be better to upload python3-defaults dropping 
the old version, let it migrate to Testing, and then schedule binNMUs.  That 
would result in less churn.

This is sent to more than one list, so please pay attention to which list you 
are replying.

Scott K
P. S. I am not subscribed to debian-release, so please cc me on any replies 
for that list.

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Python3.8 Transition Lessons Learned Scott Kitterman <debian@kitterman.com> - 2020-04-14 16:30 +0200

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