[Bug 1698704] [NEW] NoDistroTemplateException: Error: could not find a distribution template for Ubuntu/zesty

[Jeffrey Walton]

Public bug reported:

I'm trying to get GCC 7 on a machine to test C++17 and std::byte.
According to https://askubuntu.com/questions/859256/how-to-install-gcc-7
-or-clang-4-0:

$ sudo add-apt-repository ppa:ubuntu-toolchain-r/test
Traceback (most recent call last):
  File "/usr/bin/add-apt-repository", line 95, in <module>
    sp = SoftwareProperties(options=options)
  File "/usr/lib/python3/dist-packages/softwareproperties/SoftwareProperties.py", line 114, in __init__
    self.reload_sourceslist()
  File "/usr/lib/python3/dist-packages/softwareproperties/SoftwareProperties.py", line 607, in reload_sourceslist
    self.distro.get_sources(self.sourceslist)
  File "/usr/lib/python3/dist-packages/aptsources/distro.py", line 89, in get_sources
    (self.id, self.codename))
aptsources.distro.NoDistroTemplateException: Error: could not find a distribution template for Ubuntu/zesty

**********

$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu Zesty Zapus (development branch)
Release:        17.04
Codename:       zesty

$ uname -a
Linux goldmont 4.8.0-27-generic #29-Ubuntu SMP Thu Oct 20 21:03:13 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux

** Affects: apt (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1698704

Title:
  NoDistroTemplateException: Error: could not find a distribution
  template for Ubuntu/zesty

Status in apt package in Ubuntu:
  New

Bug description:
  I'm trying to get GCC 7 on a machine to test C++17 and std::byte.
  According to https://askubuntu.com/questions/859256/how-to-install-
  gcc-7-or-clang-4-0:

  $ sudo add-apt-repository ppa:ubuntu-toolchain-r/test
  Traceback (most recent call last):
    File "/usr/bin/add-apt-repository", line 95, in <module>
      sp = SoftwareProperties(options=options)
    File "/usr/lib/python3/dist-packages/softwareproperties/SoftwareProperties.py", line 114, in __init__
      self.reload_sourceslist()
    File "/usr/lib/python3/dist-packages/softwareproperties/SoftwareProperties.py", line 607, in reload_sourceslist
      self.distro.get_sources(self.sourceslist)
    File "/usr/lib/python3/dist-packages/aptsources/distro.py", line 89, in get_sources
      (self.id, self.codename))
  aptsources.distro.NoDistroTemplateException: Error: could not find a distribution template for Ubuntu/zesty

  **********

  $ lsb_release -a
  No LSB modules are available.
  Distributor ID: Ubuntu
  Description:    Ubuntu Zesty Zapus (development branch)
  Release:        17.04
  Codename:       zesty

  $ uname -a
  Linux goldmont 4.8.0-27-generic #29-Ubuntu SMP Thu Oct 20 21:03:13 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux

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