[Bug 911778] Re: ubiquity crashed with TypeError in __new__(): object of type 'NoneType' has no len()

[Jean-Baptiste Lallement]

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

Status in “ubiquity” package in Ubuntu:
  Confirmed

Bug description:
  was trying to connect to wifi during Ubuntu installation.

  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 x86_64
  ApportVersion: 1.23-0ubuntu3
  Architecture: amd64
  CasperVersion: 1.287
  Date: Wed Jan  4 11:02:05 2012
  ExecutablePath: /usr/lib/ubiquity/bin/ubiquity
  InterpreterPath: /usr/bin/python2.7
  LiveMediaBuild: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
  ProcCmdline: /usr/bin/python /usr/lib/ubiquity/bin/ubiquity --greeter --only
  ProcEnviron: Error: [Errno 13] Permission denied: '/proc/3252/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)
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