[Bug 772216] Re: installer crashed with AttributeError 'NoneType' object has no attribute 'set'

[Brian Murray]

** Tags added: ubiquity-2.4.8

** Tags added: maverick

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Title:
  installer crashed with AttributeError 'NoneType' object has no
  attribute 'set'

Status in “ubiquity” package in Ubuntu:
  New

Bug description:
  Binary package hint: ubiquity

  At the first screen I clicked 'update this installer' and nothing
  happened. Clicked it again a couple of times, still nothing. When I
  clicked 'Quit' this message popped up telling me that the installer
  crashed . It told me to file a new bug report and include this detail:

    File "/usr/lib/ubiquity/ubiquity/frontend/gtk_ui.py", line 1311, in on_next_clicked
       self.dbfilter.ok_handler()
    File "/usr/lib/ubiquity/plugins/ubi-language.py", line 732, in ok_handler
       self.preseed(self.language_question, new_language)
    File "/usr/lib/ubiquity/ubiquity/filteredcommand.py", line 338, in preseed
       self.db.set(name, value)
  AttributeError: 'NoneType' object has no attribute 'set'

  Attached is the /var/log/syslog. There is no /var/log/partman as it
  did not exist. This is the result of 'lsb_release -rd':

        Description: Linux Mint 10 Julia
        Release:	10

  And the result of 'apt-cache policy ubiquity':
    ubiquity:
      Installed: 2.4.8-1mint3
      Candidate: 2.4.8-1mint3
      Version table:
     *** 2.4.8-1mint3 0
            700 http://packages.linuxmint.com/ julia/upstream amd64 Packages
            100 /var/lib/dpkg/status
         2.4.8 0
            500 http://archive.ubuntu.com/ubuntu/ maverick/main amd64 Packages

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