[Bug 1835737] Autopkgtest regression report (python3-stdlib-extensions/3.6.9-1~18.04)

[Ubuntu SRU Bot]

All autopkgtests for the newly accepted python3-stdlib-extensions (3.6.9-1~18.04) for bionic have finished running.
The following regressions have been reported in tests triggered by the package:

yapf/0.20.1-1ubuntu1 (ppc64el)
python-virtualenv/unknown (armhf)
python-future/unknown (armhf)
pyfai/0.15.0+dfsg1-1 (i386)
python-ltfatpy/1.0.12-1 (amd64)


Please visit the excuses page listed below and investigate the failures, proceeding afterwards as per the StableReleaseUpdates policy regarding autopkgtest regressions [1].

https://people.canonical.com/~ubuntu-archive/proposed-
migration/bionic/update_excuses.html#python3-stdlib-extensions

[1] https://wiki.ubuntu.com/StableReleaseUpdates#Autopkgtest_Regressions

Thank you!

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https://bugs.launchpad.net/bugs/1835737

Title:
  SRU: backport Python 3.8 to bionic

Status in python3-stdlib-extensions package in Ubuntu:
  Fix Released
Status in python3.8 package in Ubuntu:
  Fix Released
Status in python3-stdlib-extensions source package in Bionic:
  Fix Committed
Status in python3.8 source package in Bionic:
  Fix Committed
Status in python3-stdlib-extensions source package in Disco:
  Fix Committed
Status in python3.8 source package in Disco:
  Fix Committed

Bug description:
  SRU: backport Python 3.8 to bionic. This is done to get a wider
  audience for 3.8 testing, helping to prepare the transition of the
  default Python3 to 3.8 in Ubuntu 20.04 LTS.

  The new packages are not used, so there is no regression potential for
  the new packages.

  Changed packages are the binary packages built from the python3
  -stdlib-extensions source package, where the 3.8 files are added.  No
  change for the files shipped for 3.6 and 3.7.  The only downside is
  that the packages sizes increase by ~50% by adding the files.  However
  these packages are not part of any minimal setup, so this seems to be
  bearable.

  The python3.8-doc package isn't built, because a newer sphinx version
  that the one in bionic is required.

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