Error when opening the log of changes

[Shadrag]

Error when opening the log of changes.

bzr: ERROR: exceptions.AttributeError: 'NoneType' object has no attribute 'style'

Traceback (most recent call last):
  File "/usr/lib/python2.6/dist-packages/bzrlib/plugins/qbzr/lib/revtreeview.py", line 188, in paint
    style = widget.style()
AttributeError: 'NoneType' object has no attribute 'style'

bzr 2.1.1 on python 2.6.5 (linux2)
arguments: ['/usr/bin/bzr', 'qlog']
encoding: 'UTF-8', fsenc: 'UTF-8', lang: 'ru_RU.utf8'
plugins:
  bzrtools /usr/lib/python2.6/dist-packages/bzrlib/plugins/bzrtools [2.1.0]
  dbus /usr/lib/python2.6/dist-packages/bzrlib/plugins/dbus [0.1.0dev]
  explorer /usr/lib/python2.6/dist-packages/bzrlib/plugins/explorer [1.0.0]
  gtk /usr/lib/python2.6/dist-packages/bzrlib/plugins/gtk [0.98.0dev1]
  launchpad /usr/lib/python2.6/dist-packages/bzrlib/plugins/launchpad [2.1.1]
  netrc_credential_store /usr/lib/python2.6/dist-packages/bzrlib/plugins/netrc_credential_store [2.1.1]
  news_merge /usr/lib/python2.6/dist-packages/bzrlib/plugins/news_merge [2.1.1]
  qbzr /usr/lib/python2.6/dist-packages/bzrlib/plugins/qbzr [0.18.3]