This is a safety check added in python-apt to prevent old package
objects being reused in new (dep)caches. since the cache operates on
package ids, and the package ids might change, there are three things
that can happen:
(1) If # of packages in new cache < # in old cache: SEGV
(2) If id changed, functions called on the package might operate on a different
package
(3) If you are lucky, everything works
** Changed in: apt (Ubuntu)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1767875
Title:
/usr/bin/update-
manager:ValueError:restart_icon_renderer_data_func:pkg_requires_restart:__get_candidate
Status in apt package in Ubuntu:
Invalid
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
1:18.04.11, the problem page at
https://errors.ubuntu.com/problem/a2ba8d3ab5e432b3c15f172ded6d473f4c00720a
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/.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1767875/+subscriptions
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