[Bug 1826213] Re: /usr/bin/update-manager:AttributeError:/usr/bin/update-manager at 118:start_update:start_available:refresh_cache:update

[Brian Murray]

Here's the Traceback:

Traceback (most recent call last):
  File "/usr/bin/update-manager", line 118, in <module>
    app.start_update()
  File "/usr/lib/python3/dist-packages/UpdateManager/UpdateManager.py", line 215, in start_update
    self.start_available()
  File "/usr/lib/python3/dist-packages/UpdateManager/UpdateManager.py", line 233, in start_available
    self.refresh_cache()
  File "/usr/lib/python3/dist-packages/UpdateManager/UpdateManager.py", line 390, in refresh_cache
    self.update_list.update(self.cache, eventloop_callback=iterate)
  File "/usr/lib/python3/dist-packages/UpdateManager/Core/UpdateList.py", line 479, in update
    self.distUpgradeWouldDelete = cache.saveDistUpgrade()
AttributeError: 'NoneType' object has no attribute 'saveDistUpgrade'

** Also affects: update-manager (Ubuntu Focal)
   Importance: Undecided
       Status: New

** Tags removed: rls-ff-incoming

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https://bugs.launchpad.net/bugs/1826213

Title:
  /usr/bin/update-manager:AttributeError:/usr/bin/update-
  manager at 118:start_update:start_available:refresh_cache:update

Status in update-manager package in Ubuntu:
  New
Status in update-manager source package in Focal:
  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 1:19.04.5, the problem page at https://errors.ubuntu.com/problem/1bcfccc6ceab83c6e401f14c655c1cd5045be5d4 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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