Comment 2 for bug 585280

OK, with trunk versions of both explorer and qbzr I've got different exception on trying see log of the file via treewidget context menu:

bzr: ERROR: exceptions.AttributeError: 'BzrBranch6' object has no attribute 'startswith'

Traceback (most recent call last):
  File "C:\work\Bazaar\plugins\qbzr\lib\trace.py", line 300, in reports_exception_decorate
  File "C:\work\Bazaar\plugins\qbzr\lib\log.py", line 223, in load
  File "C:\work\Bazaar\plugins\qbzr\lib\log.py", line 390, in _locations_for_title
  File "bzrlib\directory_service.pyo", line 54, in dereference
  File "bzrlib\registry.pyo", line 183, in get_prefix
AttributeError: 'BzrBranch6' object has no attribute 'startswith'

bzr 2.1.1 on python 2.5.4 (win32)
arguments: ['C:\\Program Files\\Bazaar\\bzr.EXE', 'explore', '.']
encoding: 'cp1251', fsenc: 'mbcs', lang: None
plugins:
  acad C:\work\Bazaar\plugins\acad [0.8.0]
  bookmarks C:\work\Bazaar\plugins\bookmarks [unknown]
  bzrtools C:\Program Files\Bazaar\plugins\bzrtools [2.1.0]
  colo C:\work\Bazaar\plugins\colo [0.2.0dev]
  explorer C:\work\Bazaar\plugins\explorer [1.1.0dev]
  fastimport C:\work\Bazaar\plugins\fastimport [0.9.0dev]
  format1 C:\work\Bazaar\plugins\format1 [unknown]
  launchpad C:\Program Files\Bazaar\plugins\launchpad [2.1.1]
  qbzr C:\work\Bazaar\plugins\qbzr [0.19.0dev1]
  rebase C:\Program Files\Bazaar\plugins\rebase [0.5.5]
  scmproj C:\work\Bazaar\plugins\scmproj [0.6.1]
  svn C:\Program Files\Bazaar\plugins\svn [1.0.2]
  x_bit C:\work\Bazaar\plugins\x_bit [1.0.0]