[Bug 915320] Re: ubiquity crashed with TypeError in __new__(): object of type 'NoneType' has no len()

[Apport retracing service]

*** This bug is a duplicate of bug 911778 ***
    https://bugs.launchpad.net/bugs/911778

Thank you for taking the time to report this crash and helping to make
this software better.  This particular crash has already been reported
and is a duplicate of bug #911778, so 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.  Please continue to report any other bugs you may
find.

** Tags removed: need-duplicate-check

** Attachment removed: "Dependencies.txt"
   https://bugs.launchpad.net/bugs/915320/+attachment/2669514/+files/Dependencies.txt

** Attachment removed: "ProcStatus.txt"
   https://bugs.launchpad.net/bugs/915320/+attachment/2669516/+files/ProcStatus.txt

** Visibility changed to: Public

** This bug has been marked a duplicate of private bug 911778

** Visibility changed to: Public

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https://bugs.launchpad.net/bugs/915320

Title:
  ubiquity crashed with TypeError in __new__(): object of type
  'NoneType' has no len()

Status in “ubiquity” package in Ubuntu:
  New

Bug description:
  installing Ubuntu I connected to a wireless network and was asked to
  quit go back or continue. Continue button didn't do anything, back
  button glowed red, but did nothing and quit button finished the
  installation but produced this error

  ProblemType: Crash
  DistroRelease: Ubuntu 11.10
  Package: ubiquity 2.8.7
  ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
  Uname: Linux 3.0.0-12-generic i686
  ApportVersion: 1.23-0ubuntu3
  Architecture: i386
  CasperVersion: 1.287
  Date: Thu Jan 12 08:00:27 2012
  ExecutablePath: /usr/lib/ubiquity/bin/ubiquity
  InterpreterPath: /usr/bin/python2.7
  LiveMediaBuild: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
  ProcCmdline: /usr/bin/python /usr/lib/ubiquity/bin/ubiquity --greeter --only
  ProcEnviron: Error: [Errno 13] Permission denied: '/proc/3069/environ'
  PythonArgs: ['/usr/lib/ubiquity/bin/ubiquity', '--greeter', '--only']
  SourcePackage: ubiquity
  Title: ubiquity crashed with TypeError in __new__(): object of type 'NoneType' has no len()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:

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