[Bug 2045918] Re: /usr/bin/update-manager:AttributeError:start_available:_make_available_pane:__init__

[Nathan Teodosio]

The reported error is

--->
AttributeError: 'UpdatesAvailable' object has no attribute 'expander_desc'
<---

A preliminary investigation leaves me bewildered, as neither in the 
ubuntu/{jammy,focal} upstream checkouts nor in the packages themselves 
(retrieved 20.04.10.18 and 22.04.17 with pull-lp-source update-manager 
{focal,jammy}) is there any occurrence of expander_desc. That did exist 
though in older versions of the package.

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https://bugs.launchpad.net/bugs/2045918

Title:
  /usr/bin/update-
  manager:AttributeError:start_available:_make_available_pane:__init__

Status in update-manager package in Ubuntu:
  New

Bug description:
  The Ubuntu Error Tracker has been receiving reports about a problem regarding update-manager.  This problem was most recently seen with package version 1:22.04.17, the problem page at https://errors.ubuntu.com/problem/7b4facc926a743e632733dcc290e7cd5623b6eb0 contains more details, including versions of packages affected, stacktrace or traceback, and individual crash reports.
  If you do not have access to the Ubuntu Error Tracker and are a software developer, you can request it at http://forms.canonical.com/reports/.

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