/usr/lib/update-notifier/package-data-downloader:ValueError:/usr/lib/update-notifier/package-data-downloader@333:process_download_requests:__init__:__init__:setUp:<lambda>:command

[errors.ubuntu.com bug bridge]

The Ubuntu Error Tracker has been receiving reports about a problem regarding update-notifier. This problem was most recently seen with package version 3.175.1, the problem page at https://errors.ubuntu.com/problem/dfb71174e4fd45331fb5286450da6bfb0b8b755d 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 you can request it at http://forms.canonical.com/reports/.