[Bug 1902540] Re: hirsute fails on add-apt-repository

[Christian Ehrhardt ]

FYI - Until this migrated into groovy the quick-fix with the attached diff is:
$ wget -q https://launchpadlibrarian.net/505009270/fix-hirsute-python-apt.diff -O - | sudo patch -p1

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https://bugs.launchpad.net/bugs/1902540

Title:
  hirsute fails on add-apt-repository

Status in python-apt package in Ubuntu:
  Triaged
Status in software-properties package in Ubuntu:
  Invalid

Bug description:
  On a fully updated hirsute add-apt-repository fails, example:

  root at h:~# sudo add-apt-repository ppa:ci-train-ppa-service/4321
  Traceback (most recent call last):
    File "/usr/bin/add-apt-repository", line 330, in <module>
      addaptrepo = AddAptRepository()
    File "/usr/bin/add-apt-repository", line 35, in __init__
      self.distro.get_sources(self.sourceslist)
    File "/usr/lib/python3/dist-packages/aptsources/distro.py", line 91, in get_sources
      raise NoDistroTemplateException(
  aptsources.distro.NoDistroTemplateException: Error: could not find a distribution template for Ubuntu/hirsute

  The PPA seems not to matter (all trigger it) and if I manually add PPA
  sources list and GPG key it works. So maybe software-properties just
  needs to learn about hirsute?

  Or is there another components (like distro-info or such) that needs a
  bump for this to work?

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