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[Bug 835066] Re: "Installed" screen doesn't work (AttributeError: 'NoneType' object has no attribute 'query')

 

*** This bug is a duplicate of bug 834196 ***
    https://bugs.launchpad.net/bugs/834196

Thank you for taking the time to report this bug and helping to make
Ubuntu better. This particular bug has already been reported and is a
duplicate of bug #834196, so it is being marked as such. Please look at
the other bug report to see if there is any missing information that you
can provide, or to see if there is a workaround for the bug.
Additionally, any further discussion regarding the bug should occur in
the other report. Feel free to continue to report any other bugs you may
find.

---
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** This bug has been marked a duplicate of bug 834196
   software-center-gtk3 crashed with AttributeError in copy(): 'NoneType' object has no attribute 'copy'

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https://bugs.launchpad.net/bugs/835066

Title:
  "Installed" screen doesn't work (AttributeError: 'NoneType' object has
  no attribute 'query')

Status in “software-center” package in Ubuntu:
  New

Bug description:
  software-center-gtk3 trunk r2217, Ubuntu Ocelot

  1. Launch USC.
  2. Click "Installed".

  What happens:
  * The main pane goes blank.
  * A traceback:
  ------------
  Traceback (most recent call last):
    File "/home/mpt/hacking/software-center/softwarecenter/ui/gtk3/panes/viewswitcher.py", line 148, in config_view
      state = pane.state.copy()
    File "/home/mpt/hacking/software-center/softwarecenter/ui/gtk3/panes/softwarepane.py", line 145, in copy
      state.filter = self.filter.copy()
  AttributeError: 'NoneType' object has no attribute 'copy'
  Traceback (most recent call last):
    File "/home/mpt/hacking/software-center/softwarecenter/ui/gtk3/panes/installedpane.py", line 197, in rebuild_categorised_view
      enq.set_query(self.state.channel.query,
  AttributeError: 'NoneType' object has no attribute 'query'
  ------------

  What should happen: The "Installed" list appears.

  Workaround: Click "All Software", then click "Installed" again.

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References