[Bug 1499391] [NEW] do-release-update crashes on lines 126-127

[Andreev Alexandr]

Public bug reported:

When I tried to upgrade my Xubuntu 14.10 to Xubuntu 15.04, I got a
message:

-------------------------------------------------------------------------------------------------
Проверка наличия нового релиза Ubuntu
Ваша версия  Ubuntu больше не поддерживается.
Traceback (most recent call last):
  File "/usr/bin/do-release-upgrade", line 127, in <module>
    "%(url)s\n") % { 'url' : url })
ValueError: unsupported format character '?' (0xa) at index 55
-------------------------------------------------------------------------------------------------

Then I searched through the internet and solved this problem. The
solution for me was to edit with "gedit" file "/usr/bin/do-release-
upgrade" and change lines 126 and 127:

From
----------------------------------------------------------------------------
print(_("For upgrade information, please visit:\n"
	"%(url)s\n") % { 'url' : url })
----------------------------------------------------------------------------

To
------------------------------------------------------------------------------------------------------------------
print(_("For upgrade information, please visit:\n %(url)s\n") % { 'url' : url })
------------------------------------------------------------------------------------------------------------------

And after that, do-release-upgrade successfully started upgrading
Xubuntu.

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1499391

Title:
  do-release-update crashes on lines 126-127

Status in ubuntu-release-upgrader package in Ubuntu:
  New

Bug description:
  When I tried to upgrade my Xubuntu 14.10 to Xubuntu 15.04, I got a
  message:

  -------------------------------------------------------------------------------------------------
  Проверка наличия нового релиза Ubuntu
  Ваша версия  Ubuntu больше не поддерживается.
  Traceback (most recent call last):
    File "/usr/bin/do-release-upgrade", line 127, in <module>
      "%(url)s\n") % { 'url' : url })
  ValueError: unsupported format character '?' (0xa) at index 55
  -------------------------------------------------------------------------------------------------

  Then I searched through the internet and solved this problem. The
  solution for me was to edit with "gedit" file "/usr/bin/do-release-
  upgrade" and change lines 126 and 127:

  From
  ----------------------------------------------------------------------------
  print(_("For upgrade information, please visit:\n"
  	"%(url)s\n") % { 'url' : url })
  ----------------------------------------------------------------------------

  To
  ------------------------------------------------------------------------------------------------------------------
  print(_("For upgrade information, please visit:\n %(url)s\n") % { 'url' : url })
  ------------------------------------------------------------------------------------------------------------------

  And after that, do-release-upgrade successfully started upgrading
  Xubuntu.

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https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1499391/+subscriptions